blender-archive/source/blender/makesrna/intern/rna_nodetree.c

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

/** \file
 * \ingroup RNA
 */

#include <stdlib.h>
#include <string.h>
#include <limits.h>

#include "BLI_math.h"
#include "BLI_utildefines.h"

#include "BLT_translation.h"

#include "DNA_material_types.h"
#include "DNA_mesh_types.h"
#include "DNA_node_types.h"
#include "DNA_object_types.h"
#include "DNA_particle_types.h"
#include "DNA_text_types.h"
#include "DNA_texture_types.h"

#include "BKE_animsys.h"
#include "BKE_node.h"
#include "BKE_image.h"
#include "BKE_texture.h"

#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "rna_internal.h"
#include "rna_internal_types.h"

#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"

#include "WM_types.h"

#include "MEM_guardedalloc.h"

#include "RE_render_ext.h"

#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"

const EnumPropertyItem rna_enum_node_socket_in_out_items[] = {
    {SOCK_IN, "IN", 0, "Input", ""}, {SOCK_OUT, "OUT", 0, "Output", ""}, {0, NULL, 0, NULL, NULL}};

#ifndef RNA_RUNTIME
static const EnumPropertyItem rna_enum_node_socket_draw_shape_items[] = {
    {SOCK_DRAW_SHAPE_CIRCLE, "CIRCLE", 0, "Circle", ""},
    {SOCK_DRAW_SHAPE_SQUARE, "SQUARE", 0, "Square", ""},
    {SOCK_DRAW_SHAPE_DIAMOND, "DIAMOND", 0, "Diamond", ""},
    {0, NULL, 0, NULL, NULL}};

static const EnumPropertyItem node_socket_type_items[] = {
    {SOCK_CUSTOM, "CUSTOM", 0, "Custom", ""},
    {SOCK_FLOAT, "VALUE", 0, "Value", ""},
    {SOCK_INT, "INT", 0, "Int", ""},
    {SOCK_BOOLEAN, "BOOLEAN", 0, "Boolean", ""},
    {SOCK_VECTOR, "VECTOR", 0, "Vector", ""},
    {SOCK_STRING, "STRING", 0, "String", ""},
    {SOCK_RGBA, "RGBA", 0, "RGBA", ""},
    {SOCK_SHADER, "SHADER", 0, "Shader", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_quality_items[] = {
    {NTREE_QUALITY_HIGH, "HIGH", 0, "High", "High quality"},
    {NTREE_QUALITY_MEDIUM, "MEDIUM", 0, "Medium", "Medium quality"},
    {NTREE_QUALITY_LOW, "LOW", 0, "Low", "Low quality"},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_chunksize_items[] = {
    {NTREE_CHUNKSIZE_32, "32", 0, "32x32", "Chunksize of 32x32"},
    {NTREE_CHUNKSIZE_64, "64", 0, "64x64", "Chunksize of 64x64"},
    {NTREE_CHUNKSIZE_128, "128", 0, "128x128", "Chunksize of 128x128"},
    {NTREE_CHUNKSIZE_256, "256", 0, "256x256", "Chunksize of 256x256"},
    {NTREE_CHUNKSIZE_512, "512", 0, "512x512", "Chunksize of 512x512"},
    {NTREE_CHUNKSIZE_1024, "1024", 0, "1024x1024", "Chunksize of 1024x1024"},
    {0, NULL, 0, NULL, NULL},
};
#endif

const EnumPropertyItem rna_enum_node_math_items[] = {
    {NODE_MATH_ADD, "ADD", 0, "Add", "A + B"},
    {NODE_MATH_SUBTRACT, "SUBTRACT", 0, "Subtract", "A - B"},
    {NODE_MATH_MULTIPLY, "MULTIPLY", 0, "Multiply", "A * B"},
    {NODE_MATH_DIVIDE, "DIVIDE", 0, "Divide", "A / B"},
    {0, "", ICON_NONE, NULL, NULL},
    {NODE_MATH_POWER, "POWER", 0, "Power", "A power B"},
    {NODE_MATH_LOGARITHM, "LOGARITHM", 0, "Logarithm", "Logarithm A base B"},
    {NODE_MATH_SQRT, "SQRT", 0, "Square Root", "Square root of A"},
    {NODE_MATH_ABSOLUTE, "ABSOLUTE", 0, "Absolute", "Magnitude of A"},
    {0, "", ICON_NONE, NULL, NULL},
    {NODE_MATH_MINIMUM, "MINIMUM", 0, "Minimum", "The minimum from A and B"},
    {NODE_MATH_MAXIMUM, "MAXIMUM", 0, "Maximum", "The maximum from A and B"},
    {NODE_MATH_LESS_THAN, "LESS_THAN", 0, "Less Than", "1 if A < B else 0"},
    {NODE_MATH_GREATER_THAN, "GREATER_THAN", 0, "Greater Than", "1 if A > B else 0"},
    {0, "", ICON_NONE, NULL, NULL},
    {NODE_MATH_ROUND,
     "ROUND",
     0,
     "Round",
     "Round A to the nearest integer. Round upward if the fraction part is 0.5"},
    {NODE_MATH_FLOOR, "FLOOR", 0, "Floor", "The largest integer smaller than or equal A"},
    {NODE_MATH_CEIL, "CEIL", 0, "Ceil", "The smallest integer greater than or equal A"},
    {NODE_MATH_FRACTION, "FRACT", 0, "Fraction", "The fraction part of A"},
    {NODE_MATH_MODULO, "MODULO", 0, "Modulo", "A mod B"},
    {0, "", ICON_NONE, NULL, NULL},
    {NODE_MATH_SINE, "SINE", 0, "Sine", "sin(A)"},
    {NODE_MATH_COSINE, "COSINE", 0, "Cosine", "cos(A)"},
    {NODE_MATH_TANGENT, "TANGENT", 0, "Tangent", "tan(A)"},
    {NODE_MATH_ARCSINE, "ARCSINE", 0, "Arcsine", "arcsin(A)"},
    {NODE_MATH_ARCCOSINE, "ARCCOSINE", 0, "Arccosine", "arccos(A)"},
    {NODE_MATH_ARCTANGENT, "ARCTANGENT", 0, "Arctangent", "arctan(A)"},
    {NODE_MATH_ARCTAN2, "ARCTAN2", 0, "Arctan2", "The signed angle arctan(A / B)"},
    {0, NULL, 0, NULL, NULL},
};

const EnumPropertyItem rna_enum_node_vec_math_items[] = {
    {NODE_VECTOR_MATH_ADD, "ADD", 0, "Add", "A + B"},
    {NODE_VECTOR_MATH_SUBTRACT, "SUBTRACT", 0, "Subtract", "A - B"},
    {NODE_VECTOR_MATH_MULTIPLY, "MULTIPLY", 0, "Multiply", "Entrywise multiply"},
    {NODE_VECTOR_MATH_DIVIDE, "DIVIDE", 0, "Divide", "Entrywise divide"},
    {0, "", ICON_NONE, NULL, NULL},
    {NODE_VECTOR_MATH_CROSS_PRODUCT, "CROSS_PRODUCT", 0, "Cross Product", "A cross B"},
    {NODE_VECTOR_MATH_PROJECT, "PROJECT", 0, "Project", "Project A onto B"},
    {NODE_VECTOR_MATH_REFLECT,
     "REFLECT",
     0,
     "Reflect",
     "Reflect A around the normal B. B needn't be normalized"},
    {NODE_VECTOR_MATH_DOT_PRODUCT, "DOT_PRODUCT", 0, "Dot Product", "A dot B"},
    {0, "", ICON_NONE, NULL, NULL},
    {NODE_VECTOR_MATH_DISTANCE, "DISTANCE", 0, "Distance", "Distance between A and B"},
    {NODE_VECTOR_MATH_LENGTH, "LENGTH", 0, "Length", "Length of A"},
    {NODE_VECTOR_MATH_SCALE, "SCALE", 0, "Scale", "A multiplied by Scale"},
    {NODE_VECTOR_MATH_NORMALIZE, "NORMALIZE", 0, "Normalize", "Normalize A"},
    {0, "", ICON_NONE, NULL, NULL},
    {NODE_VECTOR_MATH_SNAP,
     "SNAP",
     0,
     "Snap",
     "Round A to the largest integer multiple of B less than or equal A"},
    {NODE_VECTOR_MATH_FLOOR, "FLOOR", 0, "Floor", "Entrywise floor"},
    {NODE_VECTOR_MATH_CEIL, "CEIL", 0, "Ceil", "Entrywise ceil"},
    {NODE_VECTOR_MATH_MODULO, "MODULO", 0, "Modulo", "Entrywise modulo"},
    {NODE_VECTOR_MATH_FRACTION, "FRACTION", 0, "Fraction", "The fraction part of A entrywise"},
    {NODE_VECTOR_MATH_ABSOLUTE, "ABSOLUTE", 0, "Absolute", "Entrywise absolute"},
    {NODE_VECTOR_MATH_MINIMUM, "MINIMUM", 0, "Minimum", "Entrywise minimum"},
    {NODE_VECTOR_MATH_MAXIMUM, "MAXIMUM", 0, "Maximum", "Entrywise maximum"},
    {0, NULL, 0, NULL, NULL},
};

const EnumPropertyItem rna_enum_node_filter_items[] = {
    {0, "SOFTEN", 0, "Soften", ""},
    {1, "SHARPEN", 0, "Sharpen", ""},
    {2, "LAPLACE", 0, "Laplace", ""},
    {3, "SOBEL", 0, "Sobel", ""},
    {4, "PREWITT", 0, "Prewitt", ""},
    {5, "KIRSCH", 0, "Kirsch", ""},
    {6, "SHADOW", 0, "Shadow", ""},
    {0, NULL, 0, NULL, NULL},
};

#ifndef RNA_RUNTIME
static const EnumPropertyItem node_sampler_type_items[] = {
    {0, "NEAREST", 0, "Nearest", ""},
    {1, "BILINEAR", 0, "Bilinear", ""},
    {2, "BICUBIC", 0, "Bicubic", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem prop_shader_output_target_items[] = {
    {SHD_OUTPUT_ALL,
     "ALL",
     0,
     "All",
     "Use shaders for all renderers and viewports, unless there exists a more specific output"},
    {SHD_OUTPUT_EEVEE, "EEVEE", 0, "Eevee", "Use shaders for Eevee renderer"},
    {SHD_OUTPUT_CYCLES, "CYCLES", 0, "Cycles", "Use shaders for Cycles renderer"},
    {0, NULL, 0, NULL, NULL},
};
#endif

#ifdef RNA_RUNTIME

#  include "BLI_linklist.h"
#  include "BLI_string.h"

#  include "BKE_context.h"
#  include "BKE_idprop.h"

#  include "BKE_global.h"

#  include "ED_node.h"
#  include "ED_render.h"

#  include "GPU_material.h"

#  include "NOD_common.h"
#  include "NOD_socket.h"
#  include "NOD_shader.h"
#  include "NOD_composite.h"

#  include "RE_engine.h"
#  include "RE_pipeline.h"

#  include "DNA_scene_types.h"
#  include "WM_api.h"

int rna_node_tree_type_to_enum(bNodeTreeType *typeinfo)
{
  int i = 0, result = -1;
  NODE_TREE_TYPES_BEGIN (nt) {
    if (nt == typeinfo) {
      result = i;
      break;
    }
    ++i;
  }
  NODE_TREE_TYPES_END;
  return result;
}

int rna_node_tree_idname_to_enum(const char *idname)
{
  int i = 0, result = -1;
  NODE_TREE_TYPES_BEGIN (nt) {
    if (STREQ(nt->idname, idname)) {
      result = i;
      break;
    }
    ++i;
  }
  NODE_TREE_TYPES_END;
  return result;
}

bNodeTreeType *rna_node_tree_type_from_enum(int value)
{
  int i = 0;
  bNodeTreeType *result = NULL;
  NODE_TREE_TYPES_BEGIN (nt) {
    if (i == value) {
      result = nt;
      break;
    }
    ++i;
  }
  NODE_TREE_TYPES_END;
  return result;
}

const EnumPropertyItem *rna_node_tree_type_itemf(void *data,
                                                 bool (*poll)(void *data, bNodeTreeType *),
                                                 bool *r_free)
{
  EnumPropertyItem tmp = {0};
  EnumPropertyItem *item = NULL;
  int totitem = 0, i = 0;

  NODE_TREE_TYPES_BEGIN (nt) {
    if (poll && !poll(data, nt)) {
      ++i;
      continue;
    }

    tmp.value = i;
    tmp.identifier = nt->idname;
    tmp.icon = nt->ui_icon;
    tmp.name = nt->ui_name;
    tmp.description = nt->ui_description;

    RNA_enum_item_add(&item, &totitem, &tmp);

    ++i;
  }
  NODE_TREE_TYPES_END;

  if (totitem == 0) {
    *r_free = false;
    return DummyRNA_NULL_items;
  }

  RNA_enum_item_end(&item, &totitem);
  *r_free = true;

  return item;
}

int rna_node_type_to_enum(bNodeType *typeinfo)
{
  int i = 0, result = -1;
  NODE_TYPES_BEGIN (ntype) {
    if (ntype == typeinfo) {
      result = i;
      break;
    }
    ++i;
  }
  NODE_TYPES_END;
  return result;
}

int rna_node_idname_to_enum(const char *idname)
{
  int i = 0, result = -1;
  NODE_TYPES_BEGIN (ntype) {
    if (STREQ(ntype->idname, idname)) {
      result = i;
      break;
    }
    ++i;
  }
  NODE_TYPES_END;
  return result;
}

bNodeType *rna_node_type_from_enum(int value)
{
  int i = 0;
  bNodeType *result = NULL;
  NODE_TYPES_BEGIN (ntype) {
    if (i == value) {
      result = ntype;
      break;
    }
    ++i;
  }
  NODE_TYPES_END;
  return result;
}

const EnumPropertyItem *rna_node_type_itemf(void *data,
                                            bool (*poll)(void *data, bNodeType *),
                                            bool *r_free)
{
  EnumPropertyItem *item = NULL;
  EnumPropertyItem tmp = {0};
  int totitem = 0, i = 0;

  NODE_TYPES_BEGIN (ntype) {
    if (poll && !poll(data, ntype)) {
      ++i;
      continue;
    }

    tmp.value = i;
    tmp.identifier = ntype->idname;
    tmp.icon = ntype->ui_icon;
    tmp.name = ntype->ui_name;
    tmp.description = ntype->ui_description;

    RNA_enum_item_add(&item, &totitem, &tmp);

    ++i;
  }
  NODE_TYPES_END;

  if (totitem == 0) {
    *r_free = false;
    return DummyRNA_NULL_items;
  }

  RNA_enum_item_end(&item, &totitem);
  *r_free = true;

  return item;
}

int rna_node_socket_type_to_enum(bNodeSocketType *typeinfo)
{
  int i = 0, result = -1;
  NODE_SOCKET_TYPES_BEGIN (stype) {
    if (stype == typeinfo) {
      result = i;
      break;
    }
    ++i;
  }
  NODE_SOCKET_TYPES_END;
  return result;
}

int rna_node_socket_idname_to_enum(const char *idname)
{
  int i = 0, result = -1;
  NODE_SOCKET_TYPES_BEGIN (stype) {
    if (STREQ(stype->idname, idname)) {
      result = i;
      break;
    }
    ++i;
  }
  NODE_SOCKET_TYPES_END;
  return result;
}

bNodeSocketType *rna_node_socket_type_from_enum(int value)
{
  int i = 0;
  bNodeSocketType *result = NULL;
  NODE_SOCKET_TYPES_BEGIN (stype) {
    if (i == value) {
      result = stype;
      break;
    }
    ++i;
  }
  NODE_SOCKET_TYPES_END;
  return result;
}

const EnumPropertyItem *rna_node_socket_type_itemf(void *data,
                                                   bool (*poll)(void *data, bNodeSocketType *),
                                                   bool *r_free)
{
  EnumPropertyItem *item = NULL;
  EnumPropertyItem tmp = {0};
  int totitem = 0, i = 0;
  StructRNA *srna;

  NODE_SOCKET_TYPES_BEGIN (stype) {
    if (poll && !poll(data, stype)) {
      ++i;
      continue;
    }

    srna = stype->ext_socket.srna;
    tmp.value = i;
    tmp.identifier = stype->idname;
    tmp.icon = RNA_struct_ui_icon(srna);
    tmp.name = RNA_struct_ui_name(srna);
    tmp.description = RNA_struct_ui_description(srna);

    RNA_enum_item_add(&item, &totitem, &tmp);

    ++i;
  }
  NODE_SOCKET_TYPES_END;

  if (totitem == 0) {
    *r_free = false;
    return DummyRNA_NULL_items;
  }

  RNA_enum_item_end(&item, &totitem);
  *r_free = true;

  return item;
}

static const EnumPropertyItem *rna_node_static_type_itemf(bContext *UNUSED(C),
                                                          PointerRNA *ptr,
                                                          PropertyRNA *UNUSED(prop),
                                                          bool *r_free)
{
  EnumPropertyItem *item = NULL;
  EnumPropertyItem tmp;
  int totitem = 0;

  /* hack, don't want to add include path to RNA just for this, since in the future RNA types
   * for nodes should be defined locally at runtime anyway ...
   */

  tmp.value = NODE_CUSTOM;
  tmp.identifier = "CUSTOM";
  tmp.name = "Custom";
  tmp.description = "Custom Node";
  tmp.icon = ICON_NONE;
  RNA_enum_item_add(&item, &totitem, &tmp);

  tmp.value = NODE_CUSTOM_GROUP;
  tmp.identifier = "CUSTOM GROUP";
  tmp.name = "CustomGroup";
  tmp.description = "Custom Group Node";
  tmp.icon = ICON_NONE;
  RNA_enum_item_add(&item, &totitem, &tmp);

  tmp.value = NODE_UNDEFINED;
  tmp.identifier = "UNDEFINED";
  tmp.name = "UNDEFINED";
  tmp.description = "";
  tmp.icon = ICON_NONE;
  RNA_enum_item_add(&item, &totitem, &tmp);

#  define DefNode(Category, ID, DefFunc, EnumName, StructName, UIName, UIDesc) \
    if (STREQ(#Category, "Node")) { \
      tmp.value = ID; \
      tmp.identifier = EnumName; \
      tmp.name = UIName; \
      tmp.description = UIDesc; \
      tmp.icon = ICON_NONE; \
      RNA_enum_item_add(&item, &totitem, &tmp); \
    }
#  include "../../nodes/NOD_static_types.h"
#  undef DefNode

  if (RNA_struct_is_a(ptr->type, &RNA_ShaderNode)) {
#  define DefNode(Category, ID, DefFunc, EnumName, StructName, UIName, UIDesc) \
    if (STREQ(#Category, "ShaderNode")) { \
      tmp.value = ID; \
      tmp.identifier = EnumName; \
      tmp.name = UIName; \
      tmp.description = UIDesc; \
      tmp.icon = ICON_NONE; \
      RNA_enum_item_add(&item, &totitem, &tmp); \
    }
#  include "../../nodes/NOD_static_types.h"
#  undef DefNode
  }

  if (RNA_struct_is_a(ptr->type, &RNA_CompositorNode)) {
#  define DefNode(Category, ID, DefFunc, EnumName, StructName, UIName, UIDesc) \
    if (STREQ(#Category, "CompositorNode")) { \
      tmp.value = ID; \
      tmp.identifier = EnumName; \
      tmp.name = UIName; \
      tmp.description = UIDesc; \
      tmp.icon = ICON_NONE; \
      RNA_enum_item_add(&item, &totitem, &tmp); \
    }
#  include "../../nodes/NOD_static_types.h"
#  undef DefNode
  }

  if (RNA_struct_is_a(ptr->type, &RNA_TextureNode)) {
#  define DefNode(Category, ID, DefFunc, EnumName, StructName, UIName, UIDesc) \
    if (STREQ(#Category, "TextureNode")) { \
      tmp.value = ID; \
      tmp.identifier = EnumName; \
      tmp.name = UIName; \
      tmp.description = UIDesc; \
      tmp.icon = ICON_NONE; \
      RNA_enum_item_add(&item, &totitem, &tmp); \
    }
#  include "../../nodes/NOD_static_types.h"
#  undef DefNode
  }

  RNA_enum_item_end(&item, &totitem);
  *r_free = true;

  return item;
}

/* ******** Node Tree ******** */

static StructRNA *rna_NodeTree_refine(struct PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->data;

  if (ntree->typeinfo->ext.srna) {
    return ntree->typeinfo->ext.srna;
  }
  else {
    return &RNA_NodeTree;
  }
}

static bool rna_NodeTree_poll(const bContext *C, bNodeTreeType *ntreetype)
{
  extern FunctionRNA rna_NodeTree_poll_func;

  PointerRNA ptr;
  ParameterList list;
  FunctionRNA *func;
  void *ret;
  bool visible;

  RNA_pointer_create(NULL, ntreetype->ext.srna, NULL, &ptr); /* dummy */
  func = &rna_NodeTree_poll_func; /* RNA_struct_find_function(&ptr, "poll"); */

  RNA_parameter_list_create(&list, &ptr, func);
  RNA_parameter_set_lookup(&list, "context", &C);
  ntreetype->ext.call((bContext *)C, &ptr, func, &list);

  RNA_parameter_get_lookup(&list, "visible", &ret);
  visible = *(bool *)ret;

  RNA_parameter_list_free(&list);

  return visible;
}

static void rna_NodeTree_update_reg(bNodeTree *ntree)
{
  extern FunctionRNA rna_NodeTree_update_func;

  PointerRNA ptr;
  ParameterList list;
  FunctionRNA *func;

  RNA_id_pointer_create(&ntree->id, &ptr);
  func = &rna_NodeTree_update_func; /* RNA_struct_find_function(&ptr, "update"); */

  RNA_parameter_list_create(&list, &ptr, func);
  ntree->typeinfo->ext.call(NULL, &ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_NodeTree_get_from_context(
    const bContext *C, bNodeTreeType *ntreetype, bNodeTree **r_ntree, ID **r_id, ID **r_from)
{
  extern FunctionRNA rna_NodeTree_get_from_context_func;

  PointerRNA ptr;
  ParameterList list;
  FunctionRNA *func;
  void *ret1, *ret2, *ret3;

  RNA_pointer_create(NULL, ntreetype->ext.srna, NULL, &ptr); /* dummy */
  /* RNA_struct_find_function(&ptr, "get_from_context"); */
  func = &rna_NodeTree_get_from_context_func;

  RNA_parameter_list_create(&list, &ptr, func);
  RNA_parameter_set_lookup(&list, "context", &C);
  ntreetype->ext.call((bContext *)C, &ptr, func, &list);

  RNA_parameter_get_lookup(&list, "result_1", &ret1);
  RNA_parameter_get_lookup(&list, "result_2", &ret2);
  RNA_parameter_get_lookup(&list, "result_3", &ret3);
  *r_ntree = *(bNodeTree **)ret1;
  *r_id = *(ID **)ret2;
  *r_from = *(ID **)ret3;

  RNA_parameter_list_free(&list);
}

static void rna_NodeTree_unregister(Main *UNUSED(bmain), StructRNA *type)
{
  bNodeTreeType *nt = RNA_struct_blender_type_get(type);

  if (!nt) {
    return;
  }

  RNA_struct_free_extension(type, &nt->ext);
  RNA_struct_free(&BLENDER_RNA, type);

  ntreeTypeFreeLink(nt);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);
}

static StructRNA *rna_NodeTree_register(Main *bmain,
                                        ReportList *reports,
                                        void *data,
                                        const char *identifier,
                                        StructValidateFunc validate,
                                        StructCallbackFunc call,
                                        StructFreeFunc free)
{
  bNodeTreeType *nt, dummynt;
  bNodeTree dummyntree;
  PointerRNA dummyptr;
  int have_function[3];

  /* setup dummy tree & tree type to store static properties in */
  memset(&dummynt, 0, sizeof(bNodeTreeType));
  memset(&dummyntree, 0, sizeof(bNodeTree));
  dummyntree.typeinfo = &dummynt;
  RNA_pointer_create(NULL, &RNA_NodeTree, &dummyntree, &dummyptr);

  /* validate the python class */
  if (validate(&dummyptr, data, have_function) != 0) {
    return NULL;
  }

  if (strlen(identifier) >= sizeof(dummynt.idname)) {
    BKE_reportf(reports,
                RPT_ERROR,
                "Registering node tree class: '%s' is too long, maximum length is %d",
                identifier,
                (int)sizeof(dummynt.idname));
    return NULL;
  }

  /* check if we have registered this tree type before, and remove it */
  nt = ntreeTypeFind(dummynt.idname);
  if (nt) {
    rna_NodeTree_unregister(bmain, nt->ext.srna);
  }

  /* create a new node tree type */
  nt = MEM_callocN(sizeof(bNodeTreeType), "node tree type");
  memcpy(nt, &dummynt, sizeof(dummynt));

  nt->type = NTREE_CUSTOM;

  nt->ext.srna = RNA_def_struct_ptr(&BLENDER_RNA, nt->idname, &RNA_NodeTree);
  nt->ext.data = data;
  nt->ext.call = call;
  nt->ext.free = free;
  RNA_struct_blender_type_set(nt->ext.srna, nt);

  RNA_def_struct_ui_text(nt->ext.srna, nt->ui_name, nt->ui_description);
  RNA_def_struct_ui_icon(nt->ext.srna, nt->ui_icon);

  nt->poll = (have_function[0]) ? rna_NodeTree_poll : NULL;
  nt->update = (have_function[1]) ? rna_NodeTree_update_reg : NULL;
  nt->get_from_context = (have_function[2]) ? rna_NodeTree_get_from_context : NULL;

  ntreeTypeAdd(nt);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return nt->ext.srna;
}

static bool rna_NodeTree_check(bNodeTree *ntree, ReportList *reports)
{
  if (!ntreeIsRegistered(ntree)) {
    if (reports) {
      BKE_reportf(reports,
                  RPT_ERROR,
                  "Node tree '%s' has undefined type %s",
                  ntree->id.name + 2,
                  ntree->idname);
    }
    return false;
  }
  else {
    return true;
  }
}

static void rna_NodeTree_update(Main *bmain, Scene *UNUSED(scene), PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node = (bNode *)ptr->data;

  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);
  WM_main_add_notifier(NC_SCENE | ND_NODES, &ntree->id);

  ED_node_tag_update_nodetree(bmain, ntree, node);
}

static bNode *rna_NodeTree_node_new(bNodeTree *ntree,
                                    bContext *C,
                                    ReportList *reports,
                                    const char *type)
{
  bNodeType *ntype;
  bNode *node;

  if (!rna_NodeTree_check(ntree, reports)) {
    return NULL;
  }

  ntype = nodeTypeFind(type);
  if (!ntype) {
    BKE_reportf(reports, RPT_ERROR, "Node type %s undefined", type);
    return NULL;
  }

  if (ntype->poll && !ntype->poll(ntype, ntree)) {
    BKE_reportf(reports,
                RPT_ERROR,
                "Cannot add node of type %s to node tree '%s'",
                type,
                ntree->id.name + 2);
    return NULL;
  }

  node = nodeAddNode(C, ntree, type);
  BLI_assert(node && node->typeinfo);

  if (ntree->type == NTREE_TEXTURE) {
    ntreeTexCheckCyclics(ntree);
  }

  ntreeUpdateTree(CTX_data_main(C), ntree);
  nodeUpdate(ntree, node);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);

  return node;
}

static void rna_NodeTree_node_remove(bNodeTree *ntree,
                                     Main *bmain,
                                     ReportList *reports,
                                     PointerRNA *node_ptr)
{
  bNode *node = node_ptr->data;

  if (!rna_NodeTree_check(ntree, reports)) {
    return;
  }

  if (BLI_findindex(&ntree->nodes, node) == -1) {
    BKE_reportf(reports, RPT_ERROR, "Unable to locate node '%s' in node tree", node->name);
    return;
  }

  nodeRemoveNode(bmain, ntree, node, true);

  RNA_POINTER_INVALIDATE(node_ptr);

  ntreeUpdateTree(bmain, ntree); /* update group node socket links */
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_NodeTree_node_clear(bNodeTree *ntree, Main *bmain, ReportList *reports)
{
  bNode *node = ntree->nodes.first;

  if (!rna_NodeTree_check(ntree, reports)) {
    return;
  }

  while (node) {
    bNode *next_node = node->next;

    nodeRemoveNode(bmain, ntree, node, true);

    node = next_node;
  }

  ntreeUpdateTree(bmain, ntree);

  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static PointerRNA rna_NodeTree_active_node_get(PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->data;
  bNode *node = nodeGetActive(ntree);
  return rna_pointer_inherit_refine(ptr, &RNA_Node, node);
}

static void rna_NodeTree_active_node_set(PointerRNA *ptr,
                                         const PointerRNA value,
                                         struct ReportList *UNUSED(reports))
{
  bNodeTree *ntree = (bNodeTree *)ptr->data;
  bNode *node = (bNode *)value.data;

  if (node && BLI_findindex(&ntree->nodes, node) != -1) {
    nodeSetActive(ntree, node);
  }
  else {
    nodeClearActive(ntree);
  }
}

static bNodeLink *rna_NodeTree_link_new(bNodeTree *ntree,
                                        Main *bmain,
                                        ReportList *reports,
                                        bNodeSocket *fromsock,
                                        bNodeSocket *tosock,
                                        bool verify_limits)
{
  bNodeLink *ret;
  bNode *fromnode = NULL, *tonode = NULL;

  if (!rna_NodeTree_check(ntree, reports)) {
    return NULL;
  }

  nodeFindNode(ntree, fromsock, &fromnode, NULL);
  nodeFindNode(ntree, tosock, &tonode, NULL);
  /* check validity of the sockets:
   * if sockets from different trees are passed in this will fail!
   */
  if (!fromnode || !tonode) {
    return NULL;
  }

  if (&fromsock->in_out == &tosock->in_out) {
    BKE_report(reports, RPT_ERROR, "Same input/output direction of sockets");
    return NULL;
  }

  if (verify_limits) {
    /* remove other socket links if limit is exceeded */
    if (nodeCountSocketLinks(ntree, fromsock) + 1 > fromsock->limit) {
      nodeRemSocketLinks(ntree, fromsock);
    }
    if (nodeCountSocketLinks(ntree, tosock) + 1 > tosock->limit) {
      nodeRemSocketLinks(ntree, tosock);
    }
  }

  ret = nodeAddLink(ntree, fromnode, fromsock, tonode, tosock);

  if (ret) {

    /* not an issue from the UI, clear hidden from API to keep valid state. */
    fromsock->flag &= ~SOCK_HIDDEN;
    tosock->flag &= ~SOCK_HIDDEN;

    if (tonode) {
      nodeUpdate(ntree, tonode);
    }

    ntreeUpdateTree(bmain, ntree);

    ED_node_tag_update_nodetree(bmain, ntree, ret->tonode);
    WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
  }
  return ret;
}

static void rna_NodeTree_link_remove(bNodeTree *ntree,
                                     Main *bmain,
                                     ReportList *reports,
                                     PointerRNA *link_ptr)
{
  bNodeLink *link = link_ptr->data;

  if (!rna_NodeTree_check(ntree, reports)) {
    return;
  }

  if (BLI_findindex(&ntree->links, link) == -1) {
    BKE_report(reports, RPT_ERROR, "Unable to locate link in node tree");
    return;
  }

  nodeRemLink(ntree, link);
  RNA_POINTER_INVALIDATE(link_ptr);

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_NodeTree_link_clear(bNodeTree *ntree, Main *bmain, ReportList *reports)
{
  bNodeLink *link = ntree->links.first;

  if (!rna_NodeTree_check(ntree, reports)) {
    return;
  }

  while (link) {
    bNodeLink *next_link = link->next;

    nodeRemLink(ntree, link);

    link = next_link;
  }
  ntreeUpdateTree(bmain, ntree);

  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static int rna_NodeTree_active_input_get(PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->data;
  bNodeSocket *gsock;
  int index;

  for (gsock = ntree->inputs.first, index = 0; gsock; gsock = gsock->next, index++) {
    if (gsock->flag & SELECT) {
      return index;
    }
  }
  return -1;
}

static void rna_NodeTree_active_input_set(PointerRNA *ptr, int value)
{
  bNodeTree *ntree = (bNodeTree *)ptr->data;
  bNodeSocket *gsock;
  int index;

  for (gsock = ntree->inputs.first, index = 0; gsock; gsock = gsock->next, index++) {
    if (index == value) {
      gsock->flag |= SELECT;
    }
    else {
      gsock->flag &= ~SELECT;
    }
  }
  for (gsock = ntree->outputs.first; gsock; gsock = gsock->next) {
    gsock->flag &= ~SELECT;
  }
}

static int rna_NodeTree_active_output_get(PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->data;
  bNodeSocket *gsock;
  int index;

  for (gsock = ntree->outputs.first, index = 0; gsock; gsock = gsock->next, index++) {
    if (gsock->flag & SELECT) {
      return index;
    }
  }
  return -1;
}

static void rna_NodeTree_active_output_set(PointerRNA *ptr, int value)
{
  bNodeTree *ntree = (bNodeTree *)ptr->data;
  bNodeSocket *gsock;
  int index;

  for (gsock = ntree->inputs.first; gsock; gsock = gsock->next) {
    gsock->flag &= ~SELECT;
  }
  for (gsock = ntree->outputs.first, index = 0; gsock; gsock = gsock->next, index++) {
    if (index == value) {
      gsock->flag |= SELECT;
    }
    else {
      gsock->flag &= ~SELECT;
    }
  }
}

static bNodeSocket *rna_NodeTree_inputs_new(
    bNodeTree *ntree, Main *bmain, ReportList *reports, const char *type, const char *name)
{
  bNodeSocket *sock;

  if (!rna_NodeTree_check(ntree, reports)) {
    return NULL;
  }

  sock = ntreeAddSocketInterface(ntree, SOCK_IN, type, name);

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);

  return sock;
}

static bNodeSocket *rna_NodeTree_outputs_new(
    bNodeTree *ntree, Main *bmain, ReportList *reports, const char *type, const char *name)
{
  bNodeSocket *sock;

  if (!rna_NodeTree_check(ntree, reports)) {
    return NULL;
  }

  sock = ntreeAddSocketInterface(ntree, SOCK_OUT, type, name);

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);

  return sock;
}

static void rna_NodeTree_socket_remove(bNodeTree *ntree,
                                       Main *bmain,
                                       ReportList *reports,
                                       bNodeSocket *sock)
{
  if (!rna_NodeTree_check(ntree, reports)) {
    return;
  }

  if (BLI_findindex(&ntree->inputs, sock) == -1 && BLI_findindex(&ntree->outputs, sock) == -1) {
    BKE_reportf(reports, RPT_ERROR, "Unable to locate socket '%s' in node", sock->identifier);
  }
  else {
    ntreeRemoveSocketInterface(ntree, sock);

    ntreeUpdateTree(bmain, ntree);
    WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
  }
}

static void rna_NodeTree_inputs_clear(bNodeTree *ntree, Main *bmain, ReportList *reports)
{
  bNodeSocket *sock, *nextsock;

  if (!rna_NodeTree_check(ntree, reports)) {
    return;
  }

  for (sock = ntree->inputs.first; sock; sock = nextsock) {
    nextsock = sock->next;
    ntreeRemoveSocketInterface(ntree, sock);
  }

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_NodeTree_outputs_clear(bNodeTree *ntree, Main *bmain, ReportList *reports)
{
  bNodeSocket *sock, *nextsock;

  if (!rna_NodeTree_check(ntree, reports)) {
    return;
  }

  for (sock = ntree->outputs.first; sock; sock = nextsock) {
    nextsock = sock->next;
    ntreeRemoveSocketInterface(ntree, sock);
  }

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_NodeTree_inputs_move(bNodeTree *ntree, Main *bmain, int from_index, int to_index)
{
  bNodeSocket *sock;

  if (from_index == to_index) {
    return;
  }
  if (from_index < 0 || to_index < 0) {
    return;
  }

  sock = BLI_findlink(&ntree->inputs, from_index);
  if (to_index < from_index) {
    bNodeSocket *nextsock = BLI_findlink(&ntree->inputs, to_index);
    if (nextsock) {
      BLI_remlink(&ntree->inputs, sock);
      BLI_insertlinkbefore(&ntree->inputs, nextsock, sock);
    }
  }
  else {
    bNodeSocket *prevsock = BLI_findlink(&ntree->inputs, to_index);
    if (prevsock) {
      BLI_remlink(&ntree->inputs, sock);
      BLI_insertlinkafter(&ntree->inputs, prevsock, sock);
    }
  }

  ntree->update |= NTREE_UPDATE_GROUP_IN;

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_NodeTree_outputs_move(bNodeTree *ntree, Main *bmain, int from_index, int to_index)
{
  bNodeSocket *sock;

  if (from_index == to_index) {
    return;
  }
  if (from_index < 0 || to_index < 0) {
    return;
  }

  sock = BLI_findlink(&ntree->outputs, from_index);
  if (to_index < from_index) {
    bNodeSocket *nextsock = BLI_findlink(&ntree->outputs, to_index);
    if (nextsock) {
      BLI_remlink(&ntree->outputs, sock);
      BLI_insertlinkbefore(&ntree->outputs, nextsock, sock);
    }
  }
  else {
    bNodeSocket *prevsock = BLI_findlink(&ntree->outputs, to_index);
    if (prevsock) {
      BLI_remlink(&ntree->outputs, sock);
      BLI_insertlinkafter(&ntree->outputs, prevsock, sock);
    }
  }

  ntree->update |= NTREE_UPDATE_GROUP_OUT;

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_NodeTree_interface_update(bNodeTree *ntree, bContext *C)
{
  Main *bmain = CTX_data_main(C);

  ntree->update |= NTREE_UPDATE_GROUP;
  ntreeUpdateTree(bmain, ntree);

  ED_node_tag_update_nodetree(bmain, ntree, NULL);
}

/* ******** NodeLink ******** */

static bool rna_NodeLink_is_hidden_get(PointerRNA *ptr)
{
  bNodeLink *link = ptr->data;
  return nodeLinkIsHidden(link);
}

/* ******** Node ******** */

static StructRNA *rna_Node_refine(struct PointerRNA *ptr)
{
  bNode *node = (bNode *)ptr->data;

  if (node->typeinfo->ext.srna) {
    return node->typeinfo->ext.srna;
  }
  else {
    return ptr->type;
  }
}

static char *rna_Node_path(PointerRNA *ptr)
{
  bNode *node = (bNode *)ptr->data;
  char name_esc[sizeof(node->name) * 2];

  BLI_strescape(name_esc, node->name, sizeof(name_esc));
  return BLI_sprintfN("nodes[\"%s\"]", name_esc);
}

char *rna_Node_ImageUser_path(PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node;
  char name_esc[sizeof(node->name) * 2];

  for (node = ntree->nodes.first; node; node = node->next) {
    if (node->type == SH_NODE_TEX_ENVIRONMENT) {
      NodeTexEnvironment *data = node->storage;
      if (&data->iuser != ptr->data) {
        continue;
      }
    }
    else if (node->type == SH_NODE_TEX_IMAGE) {
      NodeTexImage *data = node->storage;
      if (&data->iuser != ptr->data) {
        continue;
      }
    }
    else {
      continue;
    }

    BLI_strescape(name_esc, node->name, sizeof(name_esc));
    return BLI_sprintfN("nodes[\"%s\"].image_user", name_esc);
  }

  return NULL;
}

static bool rna_Node_poll(bNodeType *ntype, bNodeTree *ntree)
{
  extern FunctionRNA rna_Node_poll_func;

  PointerRNA ptr;
  ParameterList list;
  FunctionRNA *func;
  void *ret;
  bool visible;

  RNA_pointer_create(NULL, ntype->ext.srna, NULL, &ptr); /* dummy */
  func = &rna_Node_poll_func; /* RNA_struct_find_function(&ptr, "poll"); */

  RNA_parameter_list_create(&list, &ptr, func);
  RNA_parameter_set_lookup(&list, "node_tree", &ntree);
  ntype->ext.call(NULL, &ptr, func, &list);

  RNA_parameter_get_lookup(&list, "visible", &ret);
  visible = *(bool *)ret;

  RNA_parameter_list_free(&list);

  return visible;
}

static bool rna_Node_poll_instance(bNode *node, bNodeTree *ntree)
{
  extern FunctionRNA rna_Node_poll_instance_func;

  PointerRNA ptr;
  ParameterList list;
  FunctionRNA *func;
  void *ret;
  bool visible;

  RNA_pointer_create(NULL, node->typeinfo->ext.srna, node, &ptr); /* dummy */
  func = &rna_Node_poll_instance_func; /* RNA_struct_find_function(&ptr, "poll_instance"); */

  RNA_parameter_list_create(&list, &ptr, func);
  RNA_parameter_set_lookup(&list, "node_tree", &ntree);
  node->typeinfo->ext.call(NULL, &ptr, func, &list);

  RNA_parameter_get_lookup(&list, "visible", &ret);
  visible = *(bool *)ret;

  RNA_parameter_list_free(&list);

  return visible;
}

static bool rna_Node_poll_instance_default(bNode *node, bNodeTree *ntree)
{
  /* use the basic poll function */
  return rna_Node_poll(node->typeinfo, ntree);
}

static void rna_Node_update_reg(bNodeTree *ntree, bNode *node)
{
  extern FunctionRNA rna_Node_update_func;

  PointerRNA ptr;
  ParameterList list;
  FunctionRNA *func;

  RNA_pointer_create((ID *)ntree, node->typeinfo->ext.srna, node, &ptr);
  func = &rna_Node_update_func; /* RNA_struct_find_function(&ptr, "update"); */

  RNA_parameter_list_create(&list, &ptr, func);
  node->typeinfo->ext.call(NULL, &ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_Node_insert_link(bNodeTree *ntree, bNode *node, bNodeLink *link)
{
  extern FunctionRNA rna_Node_insert_link_func;

  PointerRNA ptr;
  ParameterList list;
  FunctionRNA *func;

  RNA_pointer_create((ID *)ntree, node->typeinfo->ext.srna, node, &ptr);
  func = &rna_Node_insert_link_func;

  RNA_parameter_list_create(&list, &ptr, func);
  RNA_parameter_set_lookup(&list, "link", &link);
  node->typeinfo->ext.call(NULL, &ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_Node_init(const bContext *C, PointerRNA *ptr)
{
  extern FunctionRNA rna_Node_init_func;

  bNode *node = (bNode *)ptr->data;
  ParameterList list;
  FunctionRNA *func;

  func = &rna_Node_init_func; /* RNA_struct_find_function(&ptr, "init"); */

  RNA_parameter_list_create(&list, ptr, func);
  node->typeinfo->ext.call((bContext *)C, ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_Node_copy(PointerRNA *ptr, const struct bNode *copynode)
{
  extern FunctionRNA rna_Node_copy_func;

  bNode *node = (bNode *)ptr->data;
  ParameterList list;
  FunctionRNA *func;

  func = &rna_Node_copy_func; /* RNA_struct_find_function(&ptr, "copy"); */

  RNA_parameter_list_create(&list, ptr, func);
  RNA_parameter_set_lookup(&list, "node", &copynode);
  node->typeinfo->ext.call(NULL, ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_Node_free(PointerRNA *ptr)
{
  extern FunctionRNA rna_Node_free_func;

  bNode *node = (bNode *)ptr->data;
  ParameterList list;
  FunctionRNA *func;

  func = &rna_Node_free_func; /* RNA_struct_find_function(&ptr, "free"); */

  RNA_parameter_list_create(&list, ptr, func);
  node->typeinfo->ext.call(NULL, ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_Node_draw_buttons(struct uiLayout *layout, bContext *C, PointerRNA *ptr)
{
  extern FunctionRNA rna_Node_draw_buttons_func;

  bNode *node = (bNode *)ptr->data;
  ParameterList list;
  FunctionRNA *func;

  func = &rna_Node_draw_buttons_func; /* RNA_struct_find_function(&ptr, "draw_buttons"); */

  RNA_parameter_list_create(&list, ptr, func);
  RNA_parameter_set_lookup(&list, "context", &C);
  RNA_parameter_set_lookup(&list, "layout", &layout);
  node->typeinfo->ext.call(C, ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_Node_draw_buttons_ext(struct uiLayout *layout, bContext *C, PointerRNA *ptr)
{
  extern FunctionRNA rna_Node_draw_buttons_ext_func;

  bNode *node = (bNode *)ptr->data;
  ParameterList list;
  FunctionRNA *func;

  func = &rna_Node_draw_buttons_ext_func; /* RNA_struct_find_function(&ptr, "draw_buttons_ext"); */

  RNA_parameter_list_create(&list, ptr, func);
  RNA_parameter_set_lookup(&list, "context", &C);
  RNA_parameter_set_lookup(&list, "layout", &layout);
  node->typeinfo->ext.call(C, ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_Node_draw_label(bNodeTree *ntree, bNode *node, char *label, int maxlen)
{
  extern FunctionRNA rna_Node_draw_label_func;

  PointerRNA ptr;
  ParameterList list;
  FunctionRNA *func;
  void *ret;
  char *rlabel;

  func = &rna_Node_draw_label_func; /* RNA_struct_find_function(&ptr, "draw_label"); */

  RNA_pointer_create(&ntree->id, &RNA_Node, node, &ptr);
  RNA_parameter_list_create(&list, &ptr, func);
  node->typeinfo->ext.call(NULL, &ptr, func, &list);

  RNA_parameter_get_lookup(&list, "label", &ret);
  rlabel = *(char **)ret;
  BLI_strncpy(label, rlabel != NULL ? rlabel : "", maxlen);

  RNA_parameter_list_free(&list);
}

static bool rna_Node_is_registered_node_type(StructRNA *type)
{
  return (RNA_struct_blender_type_get(type) != NULL);
}

static void rna_Node_is_registered_node_type_runtime(bContext *UNUSED(C),
                                                     ReportList *UNUSED(reports),
                                                     PointerRNA *ptr,
                                                     ParameterList *parms)
{
  int result = (RNA_struct_blender_type_get(ptr->type) != NULL);
  RNA_parameter_set_lookup(parms, "result", &result);
}

static void rna_Node_unregister(Main *UNUSED(bmain), StructRNA *type)
{
  bNodeType *nt = RNA_struct_blender_type_get(type);

  if (!nt) {
    return;
  }

  RNA_struct_free_extension(type, &nt->ext);
  RNA_struct_free(&BLENDER_RNA, type);

  /* this also frees the allocated nt pointer, no MEM_free call needed! */
  nodeUnregisterType(nt);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);
}

/* Generic internal registration function.
 * Can be used to implement callbacks for registerable RNA node subtypes.
 */
static bNodeType *rna_Node_register_base(Main *bmain,
                                         ReportList *reports,
                                         StructRNA *basetype,
                                         void *data,
                                         const char *identifier,
                                         StructValidateFunc validate,
                                         StructCallbackFunc call,
                                         StructFreeFunc free)
{
  bNodeType *nt, dummynt;
  bNode dummynode;
  PointerRNA dummyptr;
  FunctionRNA *func;
  PropertyRNA *parm;
  int have_function[10];

  /* setup dummy node & node type to store static properties in */
  memset(&dummynt, 0, sizeof(bNodeType));
  /* this does some additional initialization of default values */
  node_type_base_custom(&dummynt, identifier, "", 0, 0);

  memset(&dummynode, 0, sizeof(bNode));
  dummynode.typeinfo = &dummynt;
  RNA_pointer_create(NULL, basetype, &dummynode, &dummyptr);

  /* validate the python class */
  if (validate(&dummyptr, data, have_function) != 0) {
    return NULL;
  }

  if (strlen(identifier) >= sizeof(dummynt.idname)) {
    BKE_reportf(reports,
                RPT_ERROR,
                "Registering node class: '%s' is too long, maximum length is %d",
                identifier,
                (int)sizeof(dummynt.idname));
    return NULL;
  }

  /* check if we have registered this node type before, and remove it */
  nt = nodeTypeFind(dummynt.idname);
  if (nt) {
    rna_Node_unregister(bmain, nt->ext.srna);
  }

  /* create a new node type */
  nt = MEM_callocN(sizeof(bNodeType), "node type");
  memcpy(nt, &dummynt, sizeof(dummynt));
  /* make sure the node type struct is freed on unregister */
  nt->needs_free = 1;

  nt->ext.srna = RNA_def_struct_ptr(&BLENDER_RNA, nt->idname, basetype);
  nt->ext.data = data;
  nt->ext.call = call;
  nt->ext.free = free;
  RNA_struct_blender_type_set(nt->ext.srna, nt);

  RNA_def_struct_ui_text(nt->ext.srna, nt->ui_name, nt->ui_description);
  RNA_def_struct_ui_icon(nt->ext.srna, nt->ui_icon);

  func = RNA_def_function_runtime(
      nt->ext.srna, "is_registered_node_type", rna_Node_is_registered_node_type_runtime);
  RNA_def_function_ui_description(func, "True if a registered node type");
  RNA_def_function_flag(func, FUNC_NO_SELF | FUNC_USE_SELF_TYPE);
  parm = RNA_def_boolean(func, "result", false, "Result", "");
  RNA_def_function_return(func, parm);

  /* XXX bad level call! needed to initialize the basic draw functions ... */
  ED_init_custom_node_type(nt);

  nt->poll = (have_function[0]) ? rna_Node_poll : NULL;
  nt->poll_instance = (have_function[1]) ? rna_Node_poll_instance : rna_Node_poll_instance_default;
  nt->updatefunc = (have_function[2]) ? rna_Node_update_reg : NULL;
  nt->insert_link = (have_function[3]) ? rna_Node_insert_link : NULL;
  nt->initfunc_api = (have_function[4]) ? rna_Node_init : NULL;
  nt->copyfunc_api = (have_function[5]) ? rna_Node_copy : NULL;
  nt->freefunc_api = (have_function[6]) ? rna_Node_free : NULL;
  nt->draw_buttons = (have_function[7]) ? rna_Node_draw_buttons : NULL;
  nt->draw_buttons_ex = (have_function[8]) ? rna_Node_draw_buttons_ext : NULL;
  nt->labelfunc = (have_function[9]) ? rna_Node_draw_label : NULL;

  /* sanitize size values in case not all have been registered */
  if (nt->maxwidth < nt->minwidth) {
    nt->maxwidth = nt->minwidth;
  }
  if (nt->maxheight < nt->minheight) {
    nt->maxheight = nt->minheight;
  }
  CLAMP(nt->width, nt->minwidth, nt->maxwidth);
  CLAMP(nt->height, nt->minheight, nt->maxheight);

  return nt;
}

static StructRNA *rna_Node_register(Main *bmain,
                                    ReportList *reports,
                                    void *data,
                                    const char *identifier,
                                    StructValidateFunc validate,
                                    StructCallbackFunc call,
                                    StructFreeFunc free)
{
  bNodeType *nt = rna_Node_register_base(
      bmain, reports, &RNA_Node, data, identifier, validate, call, free);
  if (!nt) {
    return NULL;
  }

  nodeRegisterType(nt);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return nt->ext.srna;
}

static StructRNA *rna_ShaderNode_register(Main *bmain,
                                          ReportList *reports,
                                          void *data,
                                          const char *identifier,
                                          StructValidateFunc validate,
                                          StructCallbackFunc call,
                                          StructFreeFunc free)
{
  bNodeType *nt = rna_Node_register_base(
      bmain, reports, &RNA_ShaderNode, data, identifier, validate, call, free);
  if (!nt) {
    return NULL;
  }

  nodeRegisterType(nt);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return nt->ext.srna;
}

static StructRNA *rna_CompositorNode_register(Main *bmain,
                                              ReportList *reports,
                                              void *data,
                                              const char *identifier,
                                              StructValidateFunc validate,
                                              StructCallbackFunc call,
                                              StructFreeFunc free)
{
  bNodeType *nt = rna_Node_register_base(
      bmain, reports, &RNA_CompositorNode, data, identifier, validate, call, free);
  if (!nt) {
    return NULL;
  }

  nodeRegisterType(nt);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return nt->ext.srna;
}

static StructRNA *rna_TextureNode_register(Main *bmain,
                                           ReportList *reports,
                                           void *data,
                                           const char *identifier,
                                           StructValidateFunc validate,
                                           StructCallbackFunc call,
                                           StructFreeFunc free)
{
  bNodeType *nt = rna_Node_register_base(
      bmain, reports, &RNA_TextureNode, data, identifier, validate, call, free);
  if (!nt) {
    return NULL;
  }

  nodeRegisterType(nt);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return nt->ext.srna;
}

static IDProperty *rna_Node_idprops(PointerRNA *ptr, bool create)
{
  bNode *node = ptr->data;

  if (create && !node->prop) {
    IDPropertyTemplate val = {0};
    node->prop = IDP_New(IDP_GROUP, &val, "RNA_Node ID properties");
  }

  return node->prop;
}

static void rna_Node_parent_set(PointerRNA *ptr,
                                PointerRNA value,
                                struct ReportList *UNUSED(reports))
{
  bNode *node = ptr->data;
  bNode *parent = value.data;

  if (parent) {
    /* XXX only Frame node allowed for now,
     * in the future should have a poll function or so to test possible attachment.
     */
    if (parent->type != NODE_FRAME) {
      return;
    }

    /* make sure parent is not attached to the node */
    if (nodeAttachNodeCheck(parent, node)) {
      return;
    }
  }

  nodeDetachNode(node);
  if (parent) {
    nodeAttachNode(node, parent);
  }
}

static bool rna_Node_parent_poll(PointerRNA *ptr, PointerRNA value)
{
  bNode *node = ptr->data;
  bNode *parent = value.data;

  /* XXX only Frame node allowed for now,
   * in the future should have a poll function or so to test possible attachment.
   */
  if (parent->type != NODE_FRAME) {
    return false;
  }

  /* make sure parent is not attached to the node */
  if (nodeAttachNodeCheck(parent, node)) {
    return false;
  }

  return true;
}

static void rna_Node_update(Main *bmain, Scene *UNUSED(scene), PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node = (bNode *)ptr->data;
  ED_node_tag_update_nodetree(bmain, ntree, node);
}

static void rna_Node_update_relations(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  rna_Node_update(bmain, scene, ptr);
  DEG_relations_tag_update(bmain);
}

static void rna_Node_socket_value_update(ID *id, bNode *node, bContext *C)
{
  ED_node_tag_update_nodetree(CTX_data_main(C), (bNodeTree *)id, node);
}

static void rna_Node_select_set(PointerRNA *ptr, bool value)
{
  bNode *node = (bNode *)ptr->data;
  nodeSetSelected(node, value);
}

static void rna_Node_name_set(PointerRNA *ptr, const char *value)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node = (bNode *)ptr->data;
  char oldname[sizeof(node->name)];

  /* make a copy of the old name first */
  BLI_strncpy(oldname, node->name, sizeof(node->name));
  /* set new name */
  BLI_strncpy_utf8(node->name, value, sizeof(node->name));

  nodeUniqueName(ntree, node);

  /* fix all the animation data which may link to this */
  BKE_animdata_fix_paths_rename_all(NULL, "nodes", oldname, node->name);
}

static bNodeSocket *rna_Node_inputs_new(ID *id,
                                        bNode *node,
                                        Main *bmain,
                                        ReportList *reports,
                                        const char *type,
                                        const char *name,
                                        const char *identifier)
{
  /* Adding an input to a group node is not working,
   * simpler to add it to its underlying nodetree. */
  if (ELEM(node->type, NODE_GROUP, NODE_CUSTOM_GROUP) && node->id != NULL) {
    return rna_NodeTree_inputs_new((bNodeTree *)node->id, bmain, reports, type, name);
  }

  bNodeTree *ntree = (bNodeTree *)id;
  bNodeSocket *sock;

  sock = nodeAddSocket(ntree, node, SOCK_IN, type, identifier, name);

  if (sock == NULL) {
    BKE_report(reports, RPT_ERROR, "Unable to create socket");
  }
  else {
    ntreeUpdateTree(bmain, ntree);
    WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
  }

  return sock;
}

static bNodeSocket *rna_Node_outputs_new(ID *id,
                                         bNode *node,
                                         Main *bmain,
                                         ReportList *reports,
                                         const char *type,
                                         const char *name,
                                         const char *identifier)
{
  /* Adding an output to a group node is not working,
   * simpler to add it to its underlying nodetree. */
  if (ELEM(node->type, NODE_GROUP, NODE_CUSTOM_GROUP) && node->id != NULL) {
    return rna_NodeTree_outputs_new((bNodeTree *)node->id, bmain, reports, type, name);
  }

  bNodeTree *ntree = (bNodeTree *)id;
  bNodeSocket *sock;

  sock = nodeAddSocket(ntree, node, SOCK_OUT, type, identifier, name);

  if (sock == NULL) {
    BKE_report(reports, RPT_ERROR, "Unable to create socket");
  }
  else {
    ntreeUpdateTree(bmain, ntree);
    WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
  }

  return sock;
}

static void rna_Node_socket_remove(
    ID *id, bNode *node, Main *bmain, ReportList *reports, bNodeSocket *sock)
{
  bNodeTree *ntree = (bNodeTree *)id;

  if (BLI_findindex(&node->inputs, sock) == -1 && BLI_findindex(&node->outputs, sock) == -1) {
    BKE_reportf(reports, RPT_ERROR, "Unable to locate socket '%s' in node", sock->identifier);
  }
  else {
    nodeRemoveSocket(ntree, node, sock);

    ntreeUpdateTree(bmain, ntree);
    WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
  }
}

static void rna_Node_inputs_clear(ID *id, bNode *node, Main *bmain)
{
  bNodeTree *ntree = (bNodeTree *)id;
  bNodeSocket *sock, *nextsock;

  for (sock = node->inputs.first; sock; sock = nextsock) {
    nextsock = sock->next;
    nodeRemoveSocket(ntree, node, sock);
  }

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_Node_outputs_clear(ID *id, bNode *node, Main *bmain)
{
  bNodeTree *ntree = (bNodeTree *)id;
  bNodeSocket *sock, *nextsock;

  for (sock = node->outputs.first; sock; sock = nextsock) {
    nextsock = sock->next;
    nodeRemoveSocket(ntree, node, sock);
  }

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_Node_inputs_move(ID *id, bNode *node, Main *bmain, int from_index, int to_index)
{
  bNodeTree *ntree = (bNodeTree *)id;
  bNodeSocket *sock;

  if (from_index == to_index) {
    return;
  }
  if (from_index < 0 || to_index < 0) {
    return;
  }

  sock = BLI_findlink(&node->inputs, from_index);
  if (to_index < from_index) {
    bNodeSocket *nextsock = BLI_findlink(&node->inputs, to_index);
    if (nextsock) {
      BLI_remlink(&node->inputs, sock);
      BLI_insertlinkbefore(&node->inputs, nextsock, sock);
    }
  }
  else {
    bNodeSocket *prevsock = BLI_findlink(&node->inputs, to_index);
    if (prevsock) {
      BLI_remlink(&node->inputs, sock);
      BLI_insertlinkafter(&node->inputs, prevsock, sock);
    }
  }

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_Node_outputs_move(ID *id, bNode *node, Main *bmain, int from_index, int to_index)
{
  bNodeTree *ntree = (bNodeTree *)id;
  bNodeSocket *sock;

  if (from_index == to_index) {
    return;
  }
  if (from_index < 0 || to_index < 0) {
    return;
  }

  sock = BLI_findlink(&node->outputs, from_index);
  if (to_index < from_index) {
    bNodeSocket *nextsock = BLI_findlink(&node->outputs, to_index);
    if (nextsock) {
      BLI_remlink(&node->outputs, sock);
      BLI_insertlinkbefore(&node->outputs, nextsock, sock);
    }
  }
  else {
    bNodeSocket *prevsock = BLI_findlink(&node->outputs, to_index);
    if (prevsock) {
      BLI_remlink(&node->outputs, sock);
      BLI_insertlinkafter(&node->outputs, prevsock, sock);
    }
  }

  ntreeUpdateTree(bmain, ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);
}

static void rna_Node_width_range(
    PointerRNA *ptr, float *min, float *max, float *softmin, float *softmax)
{
  bNode *node = ptr->data;
  *min = *softmin = node->typeinfo->minwidth;
  *max = *softmax = node->typeinfo->maxwidth;
}

static void rna_Node_height_range(
    PointerRNA *ptr, float *min, float *max, float *softmin, float *softmax)
{
  bNode *node = ptr->data;
  *min = *softmin = node->typeinfo->minheight;
  *max = *softmax = node->typeinfo->maxheight;
}

static void rna_Node_dimensions_get(PointerRNA *ptr, float *value)
{
  bNode *node = ptr->data;
  value[0] = node->totr.xmax - node->totr.xmin;
  value[1] = node->totr.ymax - node->totr.ymin;
}

/* ******** Node Socket ******** */

static void rna_NodeSocket_draw(
    bContext *C, struct uiLayout *layout, PointerRNA *ptr, PointerRNA *node_ptr, const char *text)
{
  extern FunctionRNA rna_NodeSocket_draw_func;

  bNodeSocket *sock = (bNodeSocket *)ptr->data;
  ParameterList list;
  FunctionRNA *func;

  func = &rna_NodeSocket_draw_func; /* RNA_struct_find_function(&ptr, "draw"); */

  RNA_parameter_list_create(&list, ptr, func);
  RNA_parameter_set_lookup(&list, "context", &C);
  RNA_parameter_set_lookup(&list, "layout", &layout);
  RNA_parameter_set_lookup(&list, "node", node_ptr);
  RNA_parameter_set_lookup(&list, "text", &text);
  sock->typeinfo->ext_socket.call(C, ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_NodeSocket_draw_color(bContext *C,
                                      PointerRNA *ptr,
                                      PointerRNA *node_ptr,
                                      float *r_color)
{
  extern FunctionRNA rna_NodeSocket_draw_color_func;

  bNodeSocket *sock = (bNodeSocket *)ptr->data;
  ParameterList list;
  FunctionRNA *func;
  void *ret;

  func = &rna_NodeSocket_draw_color_func; /* RNA_struct_find_function(&ptr, "draw_color"); */

  RNA_parameter_list_create(&list, ptr, func);
  RNA_parameter_set_lookup(&list, "context", &C);
  RNA_parameter_set_lookup(&list, "node", node_ptr);
  sock->typeinfo->ext_socket.call(C, ptr, func, &list);

  RNA_parameter_get_lookup(&list, "color", &ret);
  copy_v4_v4(r_color, (float *)ret);

  RNA_parameter_list_free(&list);
}

static void rna_NodeSocket_unregister(Main *UNUSED(bmain), StructRNA *type)
{
  bNodeSocketType *st = RNA_struct_blender_type_get(type);
  if (!st) {
    return;
  }

  RNA_struct_free_extension(type, &st->ext_socket);
  RNA_struct_free(&BLENDER_RNA, type);

  nodeUnregisterSocketType(st);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);
}

static StructRNA *rna_NodeSocket_register(Main *UNUSED(bmain),
                                          ReportList *reports,
                                          void *data,
                                          const char *identifier,
                                          StructValidateFunc validate,
                                          StructCallbackFunc call,
                                          StructFreeFunc free)
{
  bNodeSocketType *st, dummyst;
  bNodeSocket dummysock;
  PointerRNA dummyptr;
  int have_function[2];

  /* setup dummy socket & socket type to store static properties in */
  memset(&dummyst, 0, sizeof(bNodeSocketType));

  memset(&dummysock, 0, sizeof(bNodeSocket));
  dummysock.typeinfo = &dummyst;
  RNA_pointer_create(NULL, &RNA_NodeSocket, &dummysock, &dummyptr);

  /* validate the python class */
  if (validate(&dummyptr, data, have_function) != 0) {
    return NULL;
  }

  if (strlen(identifier) >= sizeof(dummyst.idname)) {
    BKE_reportf(reports,
                RPT_ERROR,
                "Registering node socket class: '%s' is too long, maximum length is %d",
                identifier,
                (int)sizeof(dummyst.idname));
    return NULL;
  }

  /* check if we have registered this socket type before */
  st = nodeSocketTypeFind(dummyst.idname);
  if (!st) {
    /* create a new node socket type */
    st = MEM_callocN(sizeof(bNodeSocketType), "node socket type");
    memcpy(st, &dummyst, sizeof(dummyst));

    nodeRegisterSocketType(st);
  }

  /* if RNA type is already registered, unregister first */
  if (st->ext_socket.srna) {
    StructRNA *srna = st->ext_socket.srna;
    RNA_struct_free_extension(srna, &st->ext_socket);
    RNA_struct_free(&BLENDER_RNA, srna);
  }
  st->ext_socket.srna = RNA_def_struct_ptr(&BLENDER_RNA, st->idname, &RNA_NodeSocket);
  st->ext_socket.data = data;
  st->ext_socket.call = call;
  st->ext_socket.free = free;
  RNA_struct_blender_type_set(st->ext_socket.srna, st);

  /* XXX bad level call! needed to initialize the basic draw functions ... */
  ED_init_custom_node_socket_type(st);

  st->draw = (have_function[0]) ? rna_NodeSocket_draw : NULL;
  st->draw_color = (have_function[1]) ? rna_NodeSocket_draw_color : NULL;

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return st->ext_socket.srna;
}

static StructRNA *rna_NodeSocket_refine(PointerRNA *ptr)
{
  bNodeSocket *sock = (bNodeSocket *)ptr->data;

  if (sock->typeinfo->ext_socket.srna) {
    return sock->typeinfo->ext_socket.srna;
  }
  else {
    return &RNA_NodeSocket;
  }
}

static char *rna_NodeSocket_path(PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNodeSocket *sock = (bNodeSocket *)ptr->data;
  bNode *node;
  int socketindex;
  char name_esc[sizeof(node->name) * 2];

  if (!nodeFindNode(ntree, sock, &node, &socketindex)) {
    return NULL;
  }

  BLI_strescape(name_esc, node->name, sizeof(name_esc));

  if (sock->in_out == SOCK_IN) {
    return BLI_sprintfN("nodes[\"%s\"].inputs[%d]", name_esc, socketindex);
  }
  else {
    return BLI_sprintfN("nodes[\"%s\"].outputs[%d]", name_esc, socketindex);
  }
}

static IDProperty *rna_NodeSocket_idprops(PointerRNA *ptr, bool create)
{
  bNodeSocket *sock = ptr->data;

  if (create && !sock->prop) {
    IDPropertyTemplate val = {0};
    sock->prop = IDP_New(IDP_GROUP, &val, "RNA_NodeSocket ID properties");
  }

  return sock->prop;
}

static PointerRNA rna_NodeSocket_node_get(PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNodeSocket *sock = (bNodeSocket *)ptr->data;
  bNode *node;
  PointerRNA r_ptr;

  nodeFindNode(ntree, sock, &node, NULL);

  RNA_pointer_create((ID *)ntree, &RNA_Node, node, &r_ptr);
  return r_ptr;
}

static void rna_NodeSocket_type_set(PointerRNA *ptr, int value)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNodeSocket *sock = (bNodeSocket *)ptr->data;
  bNode *node;
  nodeFindNode(ntree, sock, &node, NULL);
  nodeModifySocketType(ntree, node, sock, value, 0);
}

static void rna_NodeSocket_update(Main *bmain, Scene *UNUSED(scene), PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNodeSocket *sock = (bNodeSocket *)ptr->data;
  bNode *node;
  if (nodeFindNode(ntree, sock, &node, NULL)) {
    ED_node_tag_update_nodetree(bmain, ntree, node);
  }
}

static bool rna_NodeSocket_is_output_get(PointerRNA *ptr)
{
  bNodeSocket *sock = ptr->data;
  return sock->in_out == SOCK_OUT;
}

static void rna_NodeSocket_link_limit_set(PointerRNA *ptr, int value)
{
  bNodeSocket *sock = ptr->data;
  sock->limit = (value == 0 ? 0xFFF : value);
}

static void rna_NodeSocket_hide_set(PointerRNA *ptr, bool value)
{
  bNodeSocket *sock = (bNodeSocket *)ptr->data;

  /* don't hide linked sockets */
  if (sock->flag & SOCK_IN_USE) {
    return;
  }

  if (value) {
    sock->flag |= SOCK_HIDDEN;
  }
  else {
    sock->flag &= ~SOCK_HIDDEN;
  }
}

static void rna_NodeSocketInterface_draw(bContext *C, struct uiLayout *layout, PointerRNA *ptr)
{
  extern FunctionRNA rna_NodeSocketInterface_draw_func;

  bNodeSocket *stemp = (bNodeSocket *)ptr->data;
  ParameterList list;
  FunctionRNA *func;

  if (!stemp->typeinfo) {
    return;
  }

  func = &rna_NodeSocketInterface_draw_func; /* RNA_struct_find_function(&ptr, "draw"); */

  RNA_parameter_list_create(&list, ptr, func);
  RNA_parameter_set_lookup(&list, "context", &C);
  RNA_parameter_set_lookup(&list, "layout", &layout);
  stemp->typeinfo->ext_interface.call(C, ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_NodeSocketInterface_draw_color(bContext *C, PointerRNA *ptr, float *r_color)
{
  extern FunctionRNA rna_NodeSocketInterface_draw_color_func;

  bNodeSocket *sock = (bNodeSocket *)ptr->data;
  ParameterList list;
  FunctionRNA *func;
  void *ret;

  if (!sock->typeinfo) {
    return;
  }

  func =
      &rna_NodeSocketInterface_draw_color_func; /* RNA_struct_find_function(&ptr, "draw_color"); */

  RNA_parameter_list_create(&list, ptr, func);
  RNA_parameter_set_lookup(&list, "context", &C);
  sock->typeinfo->ext_interface.call(C, ptr, func, &list);

  RNA_parameter_get_lookup(&list, "color", &ret);
  copy_v4_v4(r_color, (float *)ret);

  RNA_parameter_list_free(&list);
}

static void rna_NodeSocketInterface_register_properties(bNodeTree *ntree,
                                                        bNodeSocket *stemp,
                                                        StructRNA *data_srna)
{
  extern FunctionRNA rna_NodeSocketInterface_register_properties_func;

  PointerRNA ptr;
  ParameterList list;
  FunctionRNA *func;

  if (!stemp->typeinfo) {
    return;
  }

  RNA_pointer_create((ID *)ntree, &RNA_NodeSocketInterface, stemp, &ptr);
  /* RNA_struct_find_function(&ptr, "register_properties"); */
  func = &rna_NodeSocketInterface_register_properties_func;

  RNA_parameter_list_create(&list, &ptr, func);
  RNA_parameter_set_lookup(&list, "data_rna_type", &data_srna);
  stemp->typeinfo->ext_interface.call(NULL, &ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_NodeSocketInterface_init_socket(
    bNodeTree *ntree, bNodeSocket *stemp, bNode *node, bNodeSocket *sock, const char *data_path)
{
  extern FunctionRNA rna_NodeSocketInterface_init_socket_func;

  PointerRNA ptr, node_ptr, sock_ptr;
  ParameterList list;
  FunctionRNA *func;

  if (!stemp->typeinfo) {
    return;
  }

  RNA_pointer_create((ID *)ntree, &RNA_NodeSocketInterface, stemp, &ptr);
  RNA_pointer_create((ID *)ntree, &RNA_Node, node, &node_ptr);
  RNA_pointer_create((ID *)ntree, &RNA_NodeSocket, sock, &sock_ptr);
  /* RNA_struct_find_function(&ptr, "init_socket"); */
  func = &rna_NodeSocketInterface_init_socket_func;

  RNA_parameter_list_create(&list, &ptr, func);
  RNA_parameter_set_lookup(&list, "node", &node_ptr);
  RNA_parameter_set_lookup(&list, "socket", &sock_ptr);
  RNA_parameter_set_lookup(&list, "data_path", &data_path);
  stemp->typeinfo->ext_interface.call(NULL, &ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_NodeSocketInterface_from_socket(bNodeTree *ntree,
                                                bNodeSocket *stemp,
                                                bNode *node,
                                                bNodeSocket *sock)
{
  extern FunctionRNA rna_NodeSocketInterface_from_socket_func;

  PointerRNA ptr, node_ptr, sock_ptr;
  ParameterList list;
  FunctionRNA *func;

  if (!stemp->typeinfo) {
    return;
  }

  RNA_pointer_create((ID *)ntree, &RNA_NodeSocketInterface, stemp, &ptr);
  RNA_pointer_create((ID *)ntree, &RNA_Node, node, &node_ptr);
  RNA_pointer_create((ID *)ntree, &RNA_NodeSocket, sock, &sock_ptr);
  /* RNA_struct_find_function(&ptr, "from_socket"); */
  func = &rna_NodeSocketInterface_from_socket_func;

  RNA_parameter_list_create(&list, &ptr, func);
  RNA_parameter_set_lookup(&list, "node", &node_ptr);
  RNA_parameter_set_lookup(&list, "socket", &sock_ptr);
  stemp->typeinfo->ext_interface.call(NULL, &ptr, func, &list);

  RNA_parameter_list_free(&list);
}

static void rna_NodeSocketInterface_unregister(Main *UNUSED(bmain), StructRNA *type)
{
  bNodeSocketType *st = RNA_struct_blender_type_get(type);
  if (!st) {
    return;
  }

  RNA_struct_free_extension(type, &st->ext_interface);

  RNA_struct_free(&BLENDER_RNA, type);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);
}

static StructRNA *rna_NodeSocketInterface_register(Main *UNUSED(bmain),
                                                   ReportList *UNUSED(reports),
                                                   void *data,
                                                   const char *identifier,
                                                   StructValidateFunc validate,
                                                   StructCallbackFunc call,
                                                   StructFreeFunc free)
{
  bNodeSocketType *st, dummyst;
  bNodeSocket dummysock;
  PointerRNA dummyptr;
  int have_function[5];

  /* setup dummy socket & socket type to store static properties in */
  memset(&dummyst, 0, sizeof(bNodeSocketType));

  memset(&dummysock, 0, sizeof(bNodeSocket));
  dummysock.typeinfo = &dummyst;
  RNA_pointer_create(NULL, &RNA_NodeSocketInterface, &dummysock, &dummyptr);

  /* validate the python class */
  if (validate(&dummyptr, data, have_function) != 0) {
    return NULL;
  }

  /* check if we have registered this socket type before */
  st = nodeSocketTypeFind(dummyst.idname);
  if (st) {
    /* basic socket type registered by a socket class before. */
  }
  else {
    /* create a new node socket type */
    st = MEM_callocN(sizeof(bNodeSocketType), "node socket type");
    memcpy(st, &dummyst, sizeof(dummyst));

    nodeRegisterSocketType(st);
  }

  /* if RNA type is already registered, unregister first */
  if (st->ext_interface.srna) {
    StructRNA *srna = st->ext_interface.srna;
    RNA_struct_free_extension(srna, &st->ext_interface);
    RNA_struct_free(&BLENDER_RNA, srna);
  }
  st->ext_interface.srna = RNA_def_struct_ptr(&BLENDER_RNA, identifier, &RNA_NodeSocketInterface);
  st->ext_interface.data = data;
  st->ext_interface.call = call;
  st->ext_interface.free = free;
  RNA_struct_blender_type_set(st->ext_interface.srna, st);

  st->interface_draw = (have_function[0]) ? rna_NodeSocketInterface_draw : NULL;
  st->interface_draw_color = (have_function[1]) ? rna_NodeSocketInterface_draw_color : NULL;
  st->interface_register_properties = (have_function[2]) ?
                                          rna_NodeSocketInterface_register_properties :
                                          NULL;
  st->interface_init_socket = (have_function[3]) ? rna_NodeSocketInterface_init_socket : NULL;
  st->interface_from_socket = (have_function[4]) ? rna_NodeSocketInterface_from_socket : NULL;

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return st->ext_interface.srna;
}

static StructRNA *rna_NodeSocketInterface_refine(PointerRNA *ptr)
{
  bNodeSocket *sock = (bNodeSocket *)ptr->data;

  if (sock->typeinfo && sock->typeinfo->ext_interface.srna) {
    return sock->typeinfo->ext_interface.srna;
  }
  else {
    return &RNA_NodeSocketInterface;
  }
}

static char *rna_NodeSocketInterface_path(PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNodeSocket *sock = (bNodeSocket *)ptr->data;
  int socketindex;

  socketindex = BLI_findindex(&ntree->inputs, sock);
  if (socketindex != -1) {
    return BLI_sprintfN("inputs[%d]", socketindex);
  }

  socketindex = BLI_findindex(&ntree->outputs, sock);
  if (socketindex != -1) {
    return BLI_sprintfN("outputs[%d]", socketindex);
  }

  return NULL;
}

static IDProperty *rna_NodeSocketInterface_idprops(PointerRNA *ptr, bool create)
{
  bNodeSocket *sock = ptr->data;

  if (create && !sock->prop) {
    IDPropertyTemplate val = {0};
    sock->prop = IDP_New(IDP_GROUP, &val, "RNA_NodeSocketInterface ID properties");
  }

  return sock->prop;
}

static void rna_NodeSocketInterface_update(Main *bmain, Scene *UNUSED(scene), PointerRNA *ptr)
{
  bNodeTree *ntree = ptr->id.data;
  bNodeSocket *stemp = ptr->data;

  if (!stemp->typeinfo) {
    return;
  }

  ntree->update |= NTREE_UPDATE_GROUP;
  ntreeUpdateTree(bmain, ntree);

  ED_node_tag_update_nodetree(bmain, ntree, NULL);
}

/* ******** Standard Node Socket Base Types ******** */

static void rna_NodeSocketStandard_draw(ID *id,
                                        bNodeSocket *sock,
                                        struct bContext *C,
                                        struct uiLayout *layout,
                                        PointerRNA *nodeptr,
                                        const char *text)
{
  PointerRNA ptr;
  RNA_pointer_create(id, &RNA_NodeSocket, sock, &ptr);
  sock->typeinfo->draw(C, layout, &ptr, nodeptr, text);
}

static void rna_NodeSocketStandard_draw_color(
    ID *id, bNodeSocket *sock, struct bContext *C, PointerRNA *nodeptr, float *r_color)
{
  PointerRNA ptr;
  RNA_pointer_create(id, &RNA_NodeSocket, sock, &ptr);
  sock->typeinfo->draw_color(C, &ptr, nodeptr, r_color);
}

static void rna_NodeSocketInterfaceStandard_draw(ID *id,
                                                 bNodeSocket *sock,
                                                 struct bContext *C,
                                                 struct uiLayout *layout)
{
  PointerRNA ptr;
  RNA_pointer_create(id, &RNA_NodeSocket, sock, &ptr);
  sock->typeinfo->interface_draw(C, layout, &ptr);
}

static void rna_NodeSocketInterfaceStandard_draw_color(ID *id,
                                                       bNodeSocket *sock,
                                                       struct bContext *C,
                                                       float *r_color)
{
  PointerRNA ptr;
  RNA_pointer_create(id, &RNA_NodeSocket, sock, &ptr);
  sock->typeinfo->interface_draw_color(C, &ptr, r_color);
}

static void rna_NodeSocketStandard_float_range(
    PointerRNA *ptr, float *min, float *max, float *softmin, float *softmax)
{
  bNodeSocket *sock = ptr->data;
  bNodeSocketValueFloat *dval = sock->default_value;
  int subtype = sock->typeinfo->subtype;

  if (dval->max < dval->min) {
    dval->max = dval->min;
  }

  *min = (subtype == PROP_UNSIGNED ? 0.0f : -FLT_MAX);
  *max = FLT_MAX;
  *softmin = dval->min;
  *softmax = dval->max;
}

static void rna_NodeSocketStandard_int_range(
    PointerRNA *ptr, int *min, int *max, int *softmin, int *softmax)
{
  bNodeSocket *sock = ptr->data;
  bNodeSocketValueInt *dval = sock->default_value;
  int subtype = sock->typeinfo->subtype;

  if (dval->max < dval->min) {
    dval->max = dval->min;
  }

  *min = (subtype == PROP_UNSIGNED ? 0 : INT_MIN);
  *max = INT_MAX;
  *softmin = dval->min;
  *softmax = dval->max;
}

static void rna_NodeSocketStandard_vector_range(
    PointerRNA *ptr, float *min, float *max, float *softmin, float *softmax)
{
  bNodeSocket *sock = ptr->data;
  bNodeSocketValueVector *dval = sock->default_value;

  if (dval->max < dval->min) {
    dval->max = dval->min;
  }

  *min = -FLT_MAX;
  *max = FLT_MAX;
  *softmin = dval->min;
  *softmax = dval->max;
}

/* using a context update function here, to avoid searching the node if possible */
static void rna_NodeSocketStandard_value_update(struct bContext *C, PointerRNA *ptr)
{
  bNode *node;

  /* default update */
  rna_NodeSocket_update(CTX_data_main(C), CTX_data_scene(C), ptr);

  /* try to use node from context, faster */
  node = CTX_data_pointer_get(C, "node").data;
  if (!node) {
    bNodeTree *ntree = ptr->id.data;
    bNodeSocket *sock = ptr->data;

    /* fall back to searching node in the tree */
    nodeFindNode(ntree, sock, &node, NULL);
  }
}

/* ******** Node Types ******** */

static void rna_NodeInternalSocketTemplate_name_get(PointerRNA *ptr, char *value)
{
  bNodeSocketTemplate *stemp = ptr->data;
  strcpy(value, stemp->name);
}

static int rna_NodeInternalSocketTemplate_name_length(PointerRNA *ptr)
{
  bNodeSocketTemplate *stemp = ptr->data;
  return strlen(stemp->name);
}

static void rna_NodeInternalSocketTemplate_identifier_get(PointerRNA *ptr, char *value)
{
  bNodeSocketTemplate *stemp = ptr->data;
  strcpy(value, stemp->identifier);
}

static int rna_NodeInternalSocketTemplate_identifier_length(PointerRNA *ptr)
{
  bNodeSocketTemplate *stemp = ptr->data;
  return strlen(stemp->identifier);
}

static int rna_NodeInternalSocketTemplate_type_get(PointerRNA *ptr)
{
  bNodeSocketTemplate *stemp = ptr->data;
  return stemp->type;
}

static PointerRNA rna_NodeInternal_input_template(StructRNA *srna, int index)
{
  bNodeType *ntype = RNA_struct_blender_type_get(srna);
  if (ntype && ntype->inputs) {
    bNodeSocketTemplate *stemp = ntype->inputs;
    int i = 0;
    while (i < index && stemp->type >= 0) {
      ++i;
      ++stemp;
    }
    if (i == index && stemp->type >= 0) {
      PointerRNA ptr;
      RNA_pointer_create(NULL, &RNA_NodeInternalSocketTemplate, stemp, &ptr);
      return ptr;
    }
  }
  return PointerRNA_NULL;
}

static PointerRNA rna_NodeInternal_output_template(StructRNA *srna, int index)
{
  bNodeType *ntype = RNA_struct_blender_type_get(srna);
  if (ntype && ntype->outputs) {
    bNodeSocketTemplate *stemp = ntype->outputs;
    int i = 0;
    while (i < index && stemp->type >= 0) {
      ++i;
      ++stemp;
    }
    if (i == index && stemp->type >= 0) {
      PointerRNA ptr;
      RNA_pointer_create(NULL, &RNA_NodeInternalSocketTemplate, stemp, &ptr);
      return ptr;
    }
  }
  return PointerRNA_NULL;
}

static bool rna_NodeInternal_poll(StructRNA *srna, bNodeTree *ntree)
{
  bNodeType *ntype = RNA_struct_blender_type_get(srna);
  return ntype && (!ntype->poll || ntype->poll(ntype, ntree));
}

static bool rna_NodeInternal_poll_instance(bNode *node, bNodeTree *ntree)
{
  bNodeType *ntype = node->typeinfo;
  if (ntype->poll_instance) {
    return ntype->poll_instance(node, ntree);
  }
  else {
    /* fall back to basic poll function */
    return !ntype->poll || ntype->poll(ntype, ntree);
  }
}

static void rna_NodeInternal_update(ID *id, bNode *node)
{
  bNodeTree *ntree = (bNodeTree *)id;
  if (node->typeinfo->updatefunc) {
    node->typeinfo->updatefunc(ntree, node);
  }
}

static void rna_NodeInternal_draw_buttons(ID *id,
                                          bNode *node,
                                          struct bContext *C,
                                          struct uiLayout *layout)
{
  if (node->typeinfo->draw_buttons) {
    PointerRNA ptr;
    RNA_pointer_create(id, &RNA_Node, node, &ptr);
    node->typeinfo->draw_buttons(layout, C, &ptr);
  }
}

static void rna_NodeInternal_draw_buttons_ext(ID *id,
                                              bNode *node,
                                              struct bContext *C,
                                              struct uiLayout *layout)
{
  if (node->typeinfo->draw_buttons_ex) {
    PointerRNA ptr;
    RNA_pointer_create(id, &RNA_Node, node, &ptr);
    node->typeinfo->draw_buttons_ex(layout, C, &ptr);
  }
  else if (node->typeinfo->draw_buttons) {
    PointerRNA ptr;
    RNA_pointer_create(id, &RNA_Node, node, &ptr);
    node->typeinfo->draw_buttons(layout, C, &ptr);
  }
}

static StructRNA *rna_NodeCustomGroup_register(Main *bmain,
                                               ReportList *reports,
                                               void *data,
                                               const char *identifier,
                                               StructValidateFunc validate,
                                               StructCallbackFunc call,
                                               StructFreeFunc free)
{
  bNodeType *nt = rna_Node_register_base(
      bmain, reports, &RNA_NodeCustomGroup, data, identifier, validate, call, free);
  if (!nt) {
    return NULL;
  }

  /* this updates the group node instance from the tree's interface */
  nt->group_update_func = node_group_update;

  nodeRegisterType(nt);

  /* update while blender is running */
  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return nt->ext.srna;
}

static StructRNA *rna_ShaderNodeCustomGroup_register(Main *bmain,
                                                     ReportList *reports,
                                                     void *data,
                                                     const char *identifier,
                                                     StructValidateFunc validate,
                                                     StructCallbackFunc call,
                                                     StructFreeFunc free)
{
  bNodeType *nt = rna_Node_register_base(
      bmain, reports, &RNA_ShaderNodeCustomGroup, data, identifier, validate, call, free);

  if (!nt) {
    return NULL;
  }

  nt->group_update_func = node_group_update;
  nt->type = NODE_CUSTOM_GROUP;

  register_node_type_sh_custom_group(nt);

  nodeRegisterType(nt);

  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return nt->ext.srna;
}

static StructRNA *rna_CompositorNodeCustomGroup_register(Main *bmain,
                                                         ReportList *reports,
                                                         void *data,
                                                         const char *identifier,
                                                         StructValidateFunc validate,
                                                         StructCallbackFunc call,
                                                         StructFreeFunc free)
{
  bNodeType *nt = rna_Node_register_base(
      bmain, reports, &RNA_CompositorNodeCustomGroup, data, identifier, validate, call, free);
  if (!nt) {
    return NULL;
  }

  nt->group_update_func = node_group_update;
  nt->type = NODE_CUSTOM_GROUP;

  register_node_type_cmp_custom_group(nt);

  nodeRegisterType(nt);

  WM_main_add_notifier(NC_NODE | NA_EDITED, NULL);

  return nt->ext.srna;
}

static void rna_CompositorNode_tag_need_exec(bNode *node)
{
  node->need_exec = true;
}

static void rna_Node_tex_image_update(Main *bmain, Scene *UNUSED(scene), PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node = (bNode *)ptr->data;

  ED_node_tag_update_nodetree(bmain, ntree, node);
  WM_main_add_notifier(NC_IMAGE, NULL);
}

static void rna_NodeGroup_update(Main *bmain, Scene *UNUSED(scene), PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node = (bNode *)ptr->data;

  if (node->id) {
    ntreeUpdateTree(bmain, (bNodeTree *)node->id);
  }

  ED_node_tag_update_nodetree(bmain, ntree, node);
}

static void rna_NodeGroup_node_tree_set(PointerRNA *ptr,
                                        const PointerRNA value,
                                        struct ReportList *UNUSED(reports))
{
  bNodeTree *ntree = ptr->id.data;
  bNode *node = ptr->data;
  bNodeTree *ngroup = value.data;

  if (nodeGroupPoll(ntree, ngroup)) {
    if (node->id) {
      id_us_min(node->id);
    }
    if (ngroup) {
      id_us_plus(&ngroup->id);
    }

    node->id = &ngroup->id;
  }
}

static bool rna_NodeGroup_node_tree_poll(PointerRNA *ptr, const PointerRNA value)
{
  bNodeTree *ntree = ptr->id.data;
  bNodeTree *ngroup = value.data;

  /* only allow node trees of the same type as the group node's tree */
  if (ngroup->type != ntree->type) {
    return false;
  }

  return nodeGroupPoll(ntree, ngroup);
}

static StructRNA *rna_NodeGroup_interface_typef(PointerRNA *ptr)
{
  bNode *node = ptr->data;
  bNodeTree *ngroup = (bNodeTree *)node->id;

  if (ngroup) {
    StructRNA *srna = ntreeInterfaceTypeGet(ngroup, true);
    if (srna) {
      return srna;
    }
  }
  return &RNA_PropertyGroup;
}

static StructRNA *rna_NodeGroupInputOutput_interface_typef(PointerRNA *ptr)
{
  bNodeTree *ntree = ptr->id.data;

  if (ntree) {
    StructRNA *srna = ntreeInterfaceTypeGet(ntree, true);
    if (srna) {
      return srna;
    }
  }
  return &RNA_PropertyGroup;
}

static void rna_distance_matte_t1_set(PointerRNA *ptr, float value)
{
  bNode *node = (bNode *)ptr->data;
  NodeChroma *chroma = node->storage;

  chroma->t1 = value;
}

static void rna_distance_matte_t2_set(PointerRNA *ptr, float value)
{
  bNode *node = (bNode *)ptr->data;
  NodeChroma *chroma = node->storage;

  chroma->t2 = value;
}

static void rna_difference_matte_t1_set(PointerRNA *ptr, float value)
{
  bNode *node = (bNode *)ptr->data;
  NodeChroma *chroma = node->storage;

  chroma->t1 = value;
}

static void rna_difference_matte_t2_set(PointerRNA *ptr, float value)
{
  bNode *node = (bNode *)ptr->data;
  NodeChroma *chroma = node->storage;

  chroma->t2 = value;
}

/* Button Set Funcs for Matte Nodes */
static void rna_Matte_t1_set(PointerRNA *ptr, float value)
{
  bNode *node = (bNode *)ptr->data;
  NodeChroma *chroma = node->storage;

  chroma->t1 = value;

  if (value < chroma->t2) {
    chroma->t2 = value;
  }
}

static void rna_Matte_t2_set(PointerRNA *ptr, float value)
{
  bNode *node = (bNode *)ptr->data;
  NodeChroma *chroma = node->storage;

  if (value > chroma->t1) {
    value = chroma->t1;
  }

  chroma->t2 = value;
}

static void rna_Node_scene_set(PointerRNA *ptr,
                               PointerRNA value,
                               struct ReportList *UNUSED(reports))
{
  bNode *node = (bNode *)ptr->data;

  if (node->id) {
    id_us_min(node->id);
    node->id = NULL;
  }

  node->id = value.data;

  id_us_plus(node->id);
}

static void rna_Node_image_layer_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  bNode *node = (bNode *)ptr->data;
  Image *ima = (Image *)node->id;
  ImageUser *iuser = node->storage;

  BKE_image_multilayer_index(ima->rr, iuser);
  BKE_image_signal(bmain, ima, iuser, IMA_SIGNAL_SRC_CHANGE);

  rna_Node_update(bmain, scene, ptr);

  if (scene->nodetree != NULL) {
    ntreeCompositUpdateRLayers(scene->nodetree);
  }
}

static const EnumPropertyItem *renderresult_layers_add_enum(RenderLayer *rl)
{
  EnumPropertyItem *item = NULL;
  EnumPropertyItem tmp = {0};
  int i = 0, totitem = 0;

  while (rl) {
    tmp.identifier = rl->name;
    /* Little trick: using space char instead empty string
     * makes the item selectable in the dropdown. */
    if (rl->name[0] == '\0') {
      tmp.name = " ";
    }
    else {
      tmp.name = rl->name;
    }
    tmp.value = i++;
    RNA_enum_item_add(&item, &totitem, &tmp);
    rl = rl->next;
  }

  RNA_enum_item_end(&item, &totitem);

  return item;
}

static const EnumPropertyItem *rna_Node_image_layer_itemf(bContext *UNUSED(C),
                                                          PointerRNA *ptr,
                                                          PropertyRNA *UNUSED(prop),
                                                          bool *r_free)
{
  bNode *node = (bNode *)ptr->data;
  Image *ima = (Image *)node->id;
  const EnumPropertyItem *item = NULL;
  RenderLayer *rl;

  if (ima == NULL || ima->rr == NULL) {
    *r_free = false;
    return DummyRNA_NULL_items;
  }

  rl = ima->rr->layers.first;
  item = renderresult_layers_add_enum(rl);

  *r_free = true;

  return item;
}

static bool rna_Node_image_has_layers_get(PointerRNA *ptr)
{
  bNode *node = (bNode *)ptr->data;
  Image *ima = (Image *)node->id;

  if (!ima || !(ima->rr)) {
    return 0;
  }

  return RE_layers_have_name(ima->rr);
}

static bool rna_Node_image_has_views_get(PointerRNA *ptr)
{
  bNode *node = (bNode *)ptr->data;
  Image *ima = (Image *)node->id;

  if (!ima || !(ima->rr)) {
    return 0;
  }

  return BLI_listbase_count_at_most(&ima->rr->views, 2) > 1;
}

static const EnumPropertyItem *renderresult_views_add_enum(RenderView *rv)
{
  EnumPropertyItem *item = NULL;
  EnumPropertyItem tmp = {0, "ALL", 0, "All", ""};
  int i = 1, totitem = 0;

  /* option to use all views */
  RNA_enum_item_add(&item, &totitem, &tmp);

  while (rv) {
    tmp.identifier = rv->name;
    /* Little trick: using space char instead empty string
     * makes the item selectable in the dropdown. */
    if (rv->name[0] == '\0') {
      tmp.name = " ";
    }
    else {
      tmp.name = rv->name;
    }
    tmp.value = i++;
    RNA_enum_item_add(&item, &totitem, &tmp);
    rv = rv->next;
  }

  RNA_enum_item_end(&item, &totitem);

  return item;
}

static const EnumPropertyItem *rna_Node_image_view_itemf(bContext *UNUSED(C),
                                                         PointerRNA *ptr,
                                                         PropertyRNA *UNUSED(prop),
                                                         bool *r_free)
{
  bNode *node = (bNode *)ptr->data;
  Image *ima = (Image *)node->id;
  const EnumPropertyItem *item = NULL;
  RenderView *rv;

  if (ima == NULL || ima->rr == NULL) {
    *r_free = false;
    return DummyRNA_NULL_items;
  }

  rv = ima->rr->views.first;
  item = renderresult_views_add_enum(rv);

  *r_free = true;

  return item;
}

static const EnumPropertyItem *rna_Node_view_layer_itemf(bContext *UNUSED(C),
                                                         PointerRNA *ptr,
                                                         PropertyRNA *UNUSED(prop),
                                                         bool *r_free)
{
  bNode *node = (bNode *)ptr->data;
  Scene *sce = (Scene *)node->id;
  const EnumPropertyItem *item = NULL;
  RenderLayer *rl;

  if (sce == NULL) {
    *r_free = false;
    return DummyRNA_NULL_items;
  }

  rl = sce->view_layers.first;
  item = renderresult_layers_add_enum(rl);

  *r_free = true;

  return item;
}

static void rna_Node_view_layer_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  rna_Node_update(bmain, scene, ptr);
  if (scene->nodetree != NULL) {
    ntreeCompositUpdateRLayers(scene->nodetree);
  }
}

static const EnumPropertyItem *rna_Node_channel_itemf(bContext *UNUSED(C),
                                                      PointerRNA *ptr,
                                                      PropertyRNA *UNUSED(prop),
                                                      bool *r_free)
{
  bNode *node = (bNode *)ptr->data;
  EnumPropertyItem *item = NULL;
  EnumPropertyItem tmp = {0};
  int totitem = 0;

  switch (node->custom1) {
    case CMP_NODE_CHANNEL_MATTE_CS_RGB:
      tmp.identifier = "R";
      tmp.name = "R";
      tmp.value = 1;
      RNA_enum_item_add(&item, &totitem, &tmp);
      tmp.identifier = "G";
      tmp.name = "G";
      tmp.value = 2;
      RNA_enum_item_add(&item, &totitem, &tmp);
      tmp.identifier = "B";
      tmp.name = "B";
      tmp.value = 3;
      RNA_enum_item_add(&item, &totitem, &tmp);
      break;
    case CMP_NODE_CHANNEL_MATTE_CS_HSV:
      tmp.identifier = "H";
      tmp.name = "H";
      tmp.value = 1;
      RNA_enum_item_add(&item, &totitem, &tmp);
      tmp.identifier = "S";
      tmp.name = "S";
      tmp.value = 2;
      RNA_enum_item_add(&item, &totitem, &tmp);
      tmp.identifier = "V";
      tmp.name = "V";
      tmp.value = 3;
      RNA_enum_item_add(&item, &totitem, &tmp);
      break;
    case CMP_NODE_CHANNEL_MATTE_CS_YUV:
      tmp.identifier = "Y";
      tmp.name = "Y";
      tmp.value = 1;
      RNA_enum_item_add(&item, &totitem, &tmp);
      tmp.identifier = "G";
      tmp.name = "U";
      tmp.value = 2;
      RNA_enum_item_add(&item, &totitem, &tmp);
      tmp.identifier = "V";
      tmp.name = "V";
      tmp.value = 3;
      RNA_enum_item_add(&item, &totitem, &tmp);
      break;
    case CMP_NODE_CHANNEL_MATTE_CS_YCC:
      tmp.identifier = "Y";
      tmp.name = "Y";
      tmp.value = 1;
      RNA_enum_item_add(&item, &totitem, &tmp);
      tmp.identifier = "CB";
      tmp.name = "Cr";
      tmp.value = 2;
      RNA_enum_item_add(&item, &totitem, &tmp);
      tmp.identifier = "CR";
      tmp.name = "Cb";
      tmp.value = 3;
      RNA_enum_item_add(&item, &totitem, &tmp);
      break;
    default:
      return DummyRNA_NULL_items;
  }

  RNA_enum_item_end(&item, &totitem);
  *r_free = true;

  return item;
}

static void rna_Image_Node_update_id(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node = (bNode *)ptr->data;

  node->update |= NODE_UPDATE_ID;
  nodeUpdate(ntree, node); /* to update image node sockets */
}

static void rna_Mapping_Node_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  bNode *node = ptr->data;
  BKE_texture_mapping_init(node->storage);
  rna_Node_update(bmain, scene, ptr);
}

static void rna_NodeOutputFile_slots_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
  bNode *node = ptr->data;
  rna_iterator_listbase_begin(iter, &node->inputs, NULL);
}

static PointerRNA rna_NodeOutputFile_slot_file_get(CollectionPropertyIterator *iter)
{
  PointerRNA ptr;
  bNodeSocket *sock = rna_iterator_listbase_get(iter);
  RNA_pointer_create(iter->parent.id.data, &RNA_NodeOutputFileSlotFile, sock->storage, &ptr);
  return ptr;
}

static void rna_NodeColorBalance_update_lgg(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  ntreeCompositColorBalanceSyncFromLGG(ptr->id.data, ptr->data);
  rna_Node_update(bmain, scene, ptr);
}

static void rna_NodeColorBalance_update_cdl(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  ntreeCompositColorBalanceSyncFromCDL(ptr->id.data, ptr->data);
  rna_Node_update(bmain, scene, ptr);
}

static void rna_NodeCryptomatte_matte_get(PointerRNA *ptr, char *value)
{
  bNode *node = (bNode *)ptr->data;
  NodeCryptomatte *nc = node->storage;

  strcpy(value, (nc->matte_id) ? nc->matte_id : "");
}

static int rna_NodeCryptomatte_matte_length(PointerRNA *ptr)
{
  bNode *node = (bNode *)ptr->data;
  NodeCryptomatte *nc = node->storage;

  return (nc->matte_id) ? strlen(nc->matte_id) : 0;
}

static void rna_NodeCryptomatte_matte_set(PointerRNA *ptr, const char *value)
{
  bNode *node = (bNode *)ptr->data;
  NodeCryptomatte *nc = node->storage;

  if (nc->matte_id) {
    MEM_freeN(nc->matte_id);
  }

  if (value && value[0]) {
    nc->matte_id = BLI_strdup(value);
  }
  else {
    nc->matte_id = NULL;
  }
}

static void rna_NodeCryptomatte_update_add(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  ntreeCompositCryptomatteSyncFromAdd(ptr->id.data, ptr->data);
  rna_Node_update(bmain, scene, ptr);
}

static void rna_NodeCryptomatte_update_remove(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  ntreeCompositCryptomatteSyncFromRemove(ptr->id.data, ptr->data);
  rna_Node_update(bmain, scene, ptr);
}

/* ******** Node Socket Types ******** */

static PointerRNA rna_NodeOutputFile_slot_layer_get(CollectionPropertyIterator *iter)
{
  PointerRNA ptr;
  bNodeSocket *sock = rna_iterator_listbase_get(iter);
  RNA_pointer_create(iter->parent.id.data, &RNA_NodeOutputFileSlotLayer, sock->storage, &ptr);
  return ptr;
}

static int rna_NodeOutputFileSocket_find_node(bNodeTree *ntree,
                                              NodeImageMultiFileSocket *data,
                                              bNode **nodep,
                                              bNodeSocket **sockp)
{
  bNode *node;
  bNodeSocket *sock;

  for (node = ntree->nodes.first; node; node = node->next) {
    for (sock = node->inputs.first; sock; sock = sock->next) {
      NodeImageMultiFileSocket *sockdata = sock->storage;
      if (sockdata == data) {
        *nodep = node;
        *sockp = sock;
        return 1;
      }
    }
  }

  *nodep = NULL;
  *sockp = NULL;
  return 0;
}

static void rna_NodeOutputFileSlotFile_path_set(PointerRNA *ptr, const char *value)
{
  bNodeTree *ntree = ptr->id.data;
  NodeImageMultiFileSocket *sockdata = ptr->data;
  bNode *node;
  bNodeSocket *sock;

  if (rna_NodeOutputFileSocket_find_node(ntree, sockdata, &node, &sock)) {
    ntreeCompositOutputFileSetPath(node, sock, value);
  }
}

static void rna_NodeOutputFileSlotLayer_name_set(PointerRNA *ptr, const char *value)
{
  bNodeTree *ntree = ptr->id.data;
  NodeImageMultiFileSocket *sockdata = ptr->data;
  bNode *node;
  bNodeSocket *sock;

  if (rna_NodeOutputFileSocket_find_node(ntree, sockdata, &node, &sock)) {
    ntreeCompositOutputFileSetLayer(node, sock, value);
  }
}

static bNodeSocket *rna_NodeOutputFile_slots_new(
    ID *id, bNode *node, bContext *C, ReportList *UNUSED(reports), const char *name)
{
  bNodeTree *ntree = (bNodeTree *)id;
  Scene *scene = CTX_data_scene(C);
  ImageFormatData *im_format = NULL;
  bNodeSocket *sock;
  if (scene) {
    im_format = &scene->r.im_format;
  }

  sock = ntreeCompositOutputFileAddSocket(ntree, node, name, im_format);

  ntreeUpdateTree(CTX_data_main(C), ntree);
  WM_main_add_notifier(NC_NODE | NA_EDITED, ntree);

  return sock;
}

static void rna_ShaderNodeTexIES_mode_set(PointerRNA *ptr, int value)
{
  bNode *node = (bNode *)ptr->data;
  NodeShaderTexIES *nss = node->storage;

  if (nss->mode != value) {
    nss->mode = value;
    nss->filepath[0] = '\0';

    /* replace text datablock by filepath */
    if (node->id) {
      Text *text = (Text *)node->id;

      if (value == NODE_IES_EXTERNAL && text->name) {
        BLI_strncpy(nss->filepath, text->name, sizeof(nss->filepath));
        BLI_path_rel(nss->filepath, BKE_main_blendfile_path_from_global());
      }

      id_us_min(node->id);
      node->id = NULL;
    }
  }
}

static void rna_ShaderNodeScript_mode_set(PointerRNA *ptr, int value)
{
  bNode *node = (bNode *)ptr->data;
  NodeShaderScript *nss = node->storage;

  if (nss->mode != value) {
    nss->mode = value;
    nss->filepath[0] = '\0';
    nss->flag &= ~NODE_SCRIPT_AUTO_UPDATE;

    /* replace text data-block by filepath */
    if (node->id) {
      Text *text = (Text *)node->id;

      if (value == NODE_SCRIPT_EXTERNAL && text->name) {
        BLI_strncpy(nss->filepath, text->name, sizeof(nss->filepath));
        BLI_path_rel(nss->filepath, BKE_main_blendfile_path_from_global());
      }

      id_us_min(node->id);
      node->id = NULL;
    }

    /* remove any bytecode */
    if (nss->bytecode) {
      MEM_freeN(nss->bytecode);
      nss->bytecode = NULL;
    }

    nss->bytecode_hash[0] = '\0';
  }
}

static void rna_ShaderNodeScript_bytecode_get(PointerRNA *ptr, char *value)
{
  bNode *node = (bNode *)ptr->data;
  NodeShaderScript *nss = node->storage;

  strcpy(value, (nss->bytecode) ? nss->bytecode : "");
}

static int rna_ShaderNodeScript_bytecode_length(PointerRNA *ptr)
{
  bNode *node = (bNode *)ptr->data;
  NodeShaderScript *nss = node->storage;

  return (nss->bytecode) ? strlen(nss->bytecode) : 0;
}

static void rna_ShaderNodeScript_bytecode_set(PointerRNA *ptr, const char *value)
{
  bNode *node = (bNode *)ptr->data;
  NodeShaderScript *nss = node->storage;

  if (nss->bytecode) {
    MEM_freeN(nss->bytecode);
  }

  if (value && value[0]) {
    nss->bytecode = BLI_strdup(value);
  }
  else {
    nss->bytecode = NULL;
  }
}

static void rna_ShaderNodeScript_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node = (bNode *)ptr->data;
  RenderEngineType *engine_type = RE_engines_find(scene->r.engine);

  if (engine_type && engine_type->update_script_node) {
    /* auto update node */
    RenderEngine *engine = RE_engine_create(engine_type);
    engine_type->update_script_node(engine, ntree, node);
    RE_engine_free(engine);
  }

  ED_node_tag_update_nodetree(bmain, ntree, node);
}

static void rna_ShaderNode_socket_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node = (bNode *)ptr->data;

  nodeUpdate(ntree, node);
  rna_Node_update(bmain, scene, ptr);
}

static void rna_CompositorNodeScale_update(Main *bmain, Scene *scene, PointerRNA *ptr)
{
  bNodeTree *ntree = (bNodeTree *)ptr->id.data;
  bNode *node = (bNode *)ptr->data;

  nodeUpdate(ntree, node);
  rna_Node_update(bmain, scene, ptr);
}

static PointerRNA rna_ShaderNodePointDensity_psys_get(PointerRNA *ptr)
{
  bNode *node = ptr->data;
  NodeShaderTexPointDensity *shader_point_density = node->storage;
  Object *ob = (Object *)node->id;
  ParticleSystem *psys = NULL;
  PointerRNA value;

  if (ob && shader_point_density->particle_system) {
    psys = BLI_findlink(&ob->particlesystem, shader_point_density->particle_system - 1);
  }

  RNA_pointer_create(&ob->id, &RNA_ParticleSystem, psys, &value);
  return value;
}

static void rna_ShaderNodePointDensity_psys_set(PointerRNA *ptr,
                                                PointerRNA value,
                                                struct ReportList *UNUSED(reports))
{
  bNode *node = ptr->data;
  NodeShaderTexPointDensity *shader_point_density = node->storage;
  Object *ob = (Object *)node->id;

  if (ob && value.id.data == ob) {
    shader_point_density->particle_system = BLI_findindex(&ob->particlesystem, value.data) + 1;
  }
  else {
    shader_point_density->particle_system = 0;
  }
}

static int point_density_particle_color_source_from_shader(
    NodeShaderTexPointDensity *shader_point_density)
{
  switch (shader_point_density->color_source) {
    case SHD_POINTDENSITY_COLOR_PARTAGE:
      return TEX_PD_COLOR_PARTAGE;
    case SHD_POINTDENSITY_COLOR_PARTSPEED:
      return TEX_PD_COLOR_PARTSPEED;
    case SHD_POINTDENSITY_COLOR_PARTVEL:
      return TEX_PD_COLOR_PARTVEL;
    default:
      BLI_assert(!"Unknown color source");
      return TEX_PD_COLOR_CONSTANT;
  }
}

static int point_density_vertex_color_source_from_shader(
    NodeShaderTexPointDensity *shader_point_density)
{
  switch (shader_point_density->ob_color_source) {
    case SHD_POINTDENSITY_COLOR_VERTCOL:
      return TEX_PD_COLOR_VERTCOL;
    case SHD_POINTDENSITY_COLOR_VERTWEIGHT:
      return TEX_PD_COLOR_VERTWEIGHT;
    case SHD_POINTDENSITY_COLOR_VERTNOR:
      return TEX_PD_COLOR_VERTNOR;
    default:
      BLI_assert(!"Unknown color source");
      return TEX_PD_COLOR_CONSTANT;
  }
}

void rna_ShaderNodePointDensity_density_cache(bNode *self, Depsgraph *depsgraph)
{
  NodeShaderTexPointDensity *shader_point_density = self->storage;
  PointDensity *pd = &shader_point_density->pd;

  if (depsgraph == NULL) {
    return;
  }

  /* Make sure there's no cached data. */
  BKE_texture_pointdensity_free_data(pd);
  RE_point_density_free(pd);

  /* Create PointDensity structure from node for sampling. */
  BKE_texture_pointdensity_init_data(pd);
  pd->object = (Object *)self->id;
  pd->radius = shader_point_density->radius;
  if (shader_point_density->point_source == SHD_POINTDENSITY_SOURCE_PSYS) {
    pd->source = TEX_PD_PSYS;
    pd->psys = shader_point_density->particle_system;
    pd->psys_cache_space = TEX_PD_OBJECTSPACE;
    pd->color_source = point_density_particle_color_source_from_shader(shader_point_density);
  }
  else {
    BLI_assert(shader_point_density->point_source == SHD_POINTDENSITY_SOURCE_OBJECT);
    pd->source = TEX_PD_OBJECT;
    pd->ob_cache_space = TEX_PD_OBJECTSPACE;
    pd->ob_color_source = point_density_vertex_color_source_from_shader(shader_point_density);
    BLI_strncpy(pd->vertex_attribute_name,
                shader_point_density->vertex_attribute_name,
                sizeof(pd->vertex_attribute_name));
  }

  /* Store resolution, so it can be changed in the UI. */
  shader_point_density->cached_resolution = shader_point_density->resolution;

  /* Single-threaded sampling of the voxel domain. */
  RE_point_density_cache(depsgraph, pd);
}

void rna_ShaderNodePointDensity_density_calc(bNode *self,
                                             Depsgraph *depsgraph,
                                             int *length,
                                             float **values)
{
  NodeShaderTexPointDensity *shader_point_density = self->storage;
  PointDensity *pd = &shader_point_density->pd;
  const int resolution = shader_point_density->cached_resolution;

  if (depsgraph == NULL) {
    *length = 0;
    return;
  }

  /* TODO(sergey): Will likely overflow, but how to pass size_t via RNA? */
  *length = 4 * resolution * resolution * resolution;

  if (*values == NULL) {
    *values = MEM_mallocN(sizeof(float) * (*length), "point density dynamic array");
  }

  /* Single-threaded sampling of the voxel domain. */
  RE_point_density_sample(depsgraph, pd, resolution, *values);

  /* We're done, time to clean up. */
  BKE_texture_pointdensity_free_data(pd);
  memset(pd, 0, sizeof(*pd));
  shader_point_density->cached_resolution = 0.0f;
}

void rna_ShaderNodePointDensity_density_minmax(bNode *self,
                                               Depsgraph *depsgraph,
                                               float r_min[3],
                                               float r_max[3])
{
  NodeShaderTexPointDensity *shader_point_density = self->storage;
  PointDensity *pd = &shader_point_density->pd;

  if (depsgraph == NULL) {
    zero_v3(r_min);
    zero_v3(r_max);
    return;
  }

  RE_point_density_minmax(depsgraph, pd, r_min, r_max);
}

#else

static const EnumPropertyItem prop_image_layer_items[] = {
    {0, "PLACEHOLDER", 0, "Placeholder", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem prop_image_view_items[] = {
    {0, "ALL", 0, "All", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem prop_view_layer_items[] = {
    {0, "PLACEHOLDER", 0, "Placeholder", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem prop_tri_channel_items[] = {
    {1, "R", 0, "R", ""},
    {2, "G", 0, "G", ""},
    {3, "B", 0, "B", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_flip_items[] = {
    {0, "X", 0, "Flip X", ""},
    {1, "Y", 0, "Flip Y", ""},
    {2, "XY", 0, "Flip X & Y", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_ycc_items[] = {
    {0, "ITUBT601", 0, "ITU 601", ""},
    {1, "ITUBT709", 0, "ITU 709", ""},
    {2, "JFIF", 0, "Jpeg", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_glossy_items[] = {
    {SHD_GLOSSY_SHARP, "SHARP", 0, "Sharp", ""},
    {SHD_GLOSSY_BECKMANN, "BECKMANN", 0, "Beckmann", ""},
    {SHD_GLOSSY_GGX, "GGX", 0, "GGX", ""},
    {SHD_GLOSSY_ASHIKHMIN_SHIRLEY, "ASHIKHMIN_SHIRLEY", 0, "Ashikhmin-Shirley", ""},
    {SHD_GLOSSY_MULTI_GGX, "MULTI_GGX", 0, "Multiscatter GGX", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_anisotropic_items[] = {
    {SHD_GLOSSY_BECKMANN, "BECKMANN", 0, "Beckmann", ""},
    {SHD_GLOSSY_GGX, "GGX", 0, "GGX", ""},
    {SHD_GLOSSY_MULTI_GGX, "MULTI_GGX", 0, "Multiscatter GGX", ""},
    {SHD_GLOSSY_ASHIKHMIN_SHIRLEY, "ASHIKHMIN_SHIRLEY", 0, "Ashikhmin-Shirley", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_glass_items[] = {
    {SHD_GLOSSY_SHARP, "SHARP", 0, "Sharp", ""},
    {SHD_GLOSSY_BECKMANN, "BECKMANN", 0, "Beckmann", ""},
    {SHD_GLOSSY_GGX, "GGX", 0, "GGX", ""},
    {SHD_GLOSSY_MULTI_GGX, "MULTI_GGX", 0, "Multiscatter GGX", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_refraction_items[] = {
    {SHD_GLOSSY_SHARP, "SHARP", 0, "Sharp", ""},
    {SHD_GLOSSY_BECKMANN, "BECKMANN", 0, "Beckmann", ""},
    {SHD_GLOSSY_GGX, "GGX", 0, "GGX", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_toon_items[] = {
    {SHD_TOON_DIFFUSE, "DIFFUSE", 0, "Diffuse", ""},
    {SHD_TOON_GLOSSY, "GLOSSY", 0, "Glossy", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_hair_items[] = {
    {SHD_HAIR_REFLECTION, "Reflection", 0, "Reflection", ""},
    {SHD_HAIR_TRANSMISSION, "Transmission", 0, "Transmission", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_principled_hair_items[] = {
    {SHD_PRINCIPLED_HAIR_DIRECT_ABSORPTION,
     "ABSORPTION",
     0,
     "Absorption coefficient",
     "Directly set the absorption coefficient sigma_a (this is not the most intuitive way to "
     "color hair)"},
    {SHD_PRINCIPLED_HAIR_PIGMENT_CONCENTRATION,
     "MELANIN",
     0,
     "Melanin concentration",
     "Define the melanin concentrations below to get the most realistic-looking hair"
     "(you can get the concentrations for different types of hair online)"},
    {SHD_PRINCIPLED_HAIR_REFLECTANCE,
     "COLOR",
     0,
     "Direct coloring",
     "Choose the color of your preference, and the shader will approximate the absorption "
     "coefficient to render lookalike hair"},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_script_mode_items[] = {
    {NODE_SCRIPT_INTERNAL, "INTERNAL", 0, "Internal", "Use internal text data-block"},
    {NODE_SCRIPT_EXTERNAL, "EXTERNAL", 0, "External", "Use external .osl or .oso file"},
    {0, NULL, 0, NULL, NULL},
};

static EnumPropertyItem node_ies_mode_items[] = {
    {NODE_IES_INTERNAL, "INTERNAL", 0, "Internal", "Use internal text datablock"},
    {NODE_IES_EXTERNAL, "EXTERNAL", 0, "External", "Use external .ies file"},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_principled_distribution_items[] = {
    {SHD_GLOSSY_GGX, "GGX", 0, "GGX", ""},
    {SHD_GLOSSY_MULTI_GGX, "MULTI_GGX", 0, "Multiscatter GGX", ""},
    {0, NULL, 0, NULL, NULL},
};

static const EnumPropertyItem node_subsurface_method_items[] = {
    {SHD_SUBSURFACE_BURLEY,
     "BURLEY",
     0,
     "Christensen-Burley",
     "Approximation to physically based volume scattering"},
    {SHD_SUBSURFACE_RANDOM_WALK,
     "RANDOM_WALK",
     0,
     "Random Walk",
     "Volumetric approximation to physically based volume scattering"},
    {0, NULL, 0, NULL, NULL}};

/* -- Common nodes ---------------------------------------------------------- */

static void def_group_input(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "interface", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_funcs(
      prop, NULL, NULL, "rna_NodeGroupInputOutput_interface_typef", NULL);
  RNA_def_property_struct_type(prop, "PropertyGroup");
  RNA_def_property_flag(prop, PROP_IDPROPERTY);
  RNA_def_property_ui_text(prop, "Interface", "Interface socket data");
}

static void def_group_output(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "interface", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_funcs(
      prop, NULL, NULL, "rna_NodeGroupInputOutput_interface_typef", NULL);
  RNA_def_property_struct_type(prop, "PropertyGroup");
  RNA_def_property_flag(prop, PROP_IDPROPERTY);
  RNA_def_property_ui_text(prop, "Interface", "Interface socket data");

  prop = RNA_def_property(srna, "is_active_output", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_DO_OUTPUT);
  RNA_def_property_ui_text(
      prop, "Active Output", "True if this node is used as the active group output");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_group(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "node_tree", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "NodeTree");
  RNA_def_property_pointer_funcs(
      prop, NULL, "rna_NodeGroup_node_tree_set", NULL, "rna_NodeGroup_node_tree_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Node Tree", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeGroup_update");

  prop = RNA_def_property(srna, "interface", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_funcs(prop, NULL, NULL, "rna_NodeGroup_interface_typef", NULL);
  RNA_def_property_struct_type(prop, "PropertyGroup");
  RNA_def_property_flag(prop, PROP_IDPROPERTY);
  RNA_def_property_ui_text(prop, "Interface", "Interface socket data");
}

static void def_custom_group(BlenderRNA *brna,
                             const char *struct_name,
                             const char *base_name,
                             const char *ui_name,
                             const char *ui_desc,
                             const char *reg_func)
{
  StructRNA *srna;

  srna = RNA_def_struct(brna, struct_name, base_name);
  RNA_def_struct_ui_text(srna, ui_name, ui_desc);
  RNA_def_struct_sdna(srna, "bNode");

  RNA_def_struct_register_funcs(srna, reg_func, "rna_Node_unregister", NULL);

  def_group(srna);
}

static void def_frame(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "text", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Text");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
  RNA_def_property_ui_text(prop, "Text", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeFrame", "storage");
  RNA_def_struct_translation_context(srna, BLT_I18NCONTEXT_ID_NODETREE);

  prop = RNA_def_property(srna, "shrink", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_FRAME_SHRINK);
  RNA_def_property_ui_text(prop, "Shrink", "Shrink the frame to minimal bounding box");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "label_size", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "label_size");
  RNA_def_property_range(prop, 8, 64);
  RNA_def_property_ui_text(prop, "Label Font Size", "Font size to use for displaying the label");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);
}

static void def_map_range(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "clamp", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(prop, "Clamp", "Clamp the result to the target range [To Min, To Max]");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_math(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "operation", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, rna_enum_node_math_items);
  RNA_def_property_ui_text(prop, "Operation", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNode_socket_update");

  prop = RNA_def_property(srna, "use_clamp", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom2", SHD_MATH_CLAMP);
  RNA_def_property_ui_text(prop, "Clamp", "Clamp result of the node to 0..1 range");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_vector_math(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "operation", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, rna_enum_node_vec_math_items);
  RNA_def_property_ui_text(prop, "Operation", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNode_socket_update");
}

static void def_rgb_curve(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "mapping", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "storage");
  RNA_def_property_struct_type(prop, "CurveMapping");
  RNA_def_property_ui_text(prop, "Mapping", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_vector_curve(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "mapping", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "storage");
  RNA_def_property_struct_type(prop, "CurveMapping");
  RNA_def_property_ui_text(prop, "Mapping", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_time(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "curve", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "storage");
  RNA_def_property_struct_type(prop, "CurveMapping");
  RNA_def_property_ui_text(prop, "Curve", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "frame_start", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom1");
  RNA_def_property_ui_text(prop, "Start Frame", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "frame_end", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom2");
  RNA_def_property_ui_text(prop, "End Frame", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_colorramp(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "color_ramp", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "storage");
  RNA_def_property_struct_type(prop, "ColorRamp");
  RNA_def_property_ui_text(prop, "Color Ramp", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_mix_rgb(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "blend_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, rna_enum_ramp_blend_items);
  RNA_def_property_ui_text(prop, "Blend Type", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_alpha", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom2", SHD_MIXRGB_USE_ALPHA);
  RNA_def_property_ui_text(prop, "Alpha", "Include alpha of second input in this operation");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_clamp", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom2", SHD_MIXRGB_CLAMP);
  RNA_def_property_ui_text(prop, "Clamp", "Clamp result of the node to 0..1 range");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_texture(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "texture", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Texture");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Texture", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "node_output", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom1");
  RNA_def_property_ui_text(
      prop, "Node Output", "For node-based textures, which output node to use");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

/* -- Shader Nodes ---------------------------------------------------------- */

static void def_sh_output(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "is_active_output", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_DO_OUTPUT);
  RNA_def_property_ui_text(
      prop, "Active Output", "True if this node is used as the active output");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "target", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, prop_shader_output_target_items);
  RNA_def_property_ui_text(
      prop, "Target", "Which renderer and viewport shading types to use the shaders for");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_sh_output_linestyle(StructRNA *srna)
{
  def_sh_output(srna);
  def_mix_rgb(srna);
}

static void def_sh_mapping(StructRNA *srna)
{
  static const EnumPropertyItem prop_vect_type_items[] = {
      {TEXMAP_TYPE_TEXTURE,
       "TEXTURE",
       0,
       "Texture",
       "Transform a texture by inverse mapping the texture coordinate"},
      {TEXMAP_TYPE_POINT, "POINT", 0, "Point", "Transform a point"},
      {TEXMAP_TYPE_VECTOR, "VECTOR", 0, "Vector", "Transform a direction vector"},
      {TEXMAP_TYPE_NORMAL, "NORMAL", 0, "Normal", "Transform a normal vector with unit length"},
      {0, NULL, 0, NULL, NULL},
  };

  static float default_1[3] = {1.f, 1.f, 1.f};

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "TexMapping", "storage");

  prop = RNA_def_property(srna, "vector_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "type");
  RNA_def_property_enum_items(prop, prop_vect_type_items);
  RNA_def_property_ui_text(prop, "Type", "Type of vector that the mapping transforms");
  RNA_def_property_update(prop, 0, "rna_Mapping_Node_update");

  prop = RNA_def_property(srna, "translation", PROP_FLOAT, PROP_TRANSLATION);
  RNA_def_property_float_sdna(prop, NULL, "loc");
  RNA_def_property_ui_text(prop, "Location", "");
  RNA_def_property_update(prop, 0, "rna_Mapping_Node_update");

  /* Not PROP_XYZ, this is now in radians, no more degrees */
  prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_EULER);
  RNA_def_property_float_sdna(prop, NULL, "rot");
  RNA_def_property_ui_text(prop, "Rotation", "");
  RNA_def_property_update(prop, 0, "rna_Mapping_Node_update");

  prop = RNA_def_property(srna, "scale", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, NULL, "size");
  RNA_def_property_float_array_default(prop, default_1);
  RNA_def_property_flag(prop, PROP_PROPORTIONAL);
  RNA_def_property_ui_text(prop, "Scale", "");
  RNA_def_property_update(prop, 0, "rna_Mapping_Node_update");

  prop = RNA_def_property(srna, "min", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, NULL, "min");
  RNA_def_property_ui_text(prop, "Minimum", "Minimum value for clipping");
  RNA_def_property_update(prop, 0, "rna_Mapping_Node_update");

  prop = RNA_def_property(srna, "max", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, NULL, "max");
  RNA_def_property_float_array_default(prop, default_1);
  RNA_def_property_ui_text(prop, "Maximum", "Maximum value for clipping");
  RNA_def_property_update(prop, 0, "rna_Mapping_Node_update");

  prop = RNA_def_property(srna, "use_min", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", TEXMAP_CLIP_MIN);
  RNA_def_property_ui_text(prop, "Has Minimum", "Whether to use minimum clipping value");
  RNA_def_property_update(prop, 0, "rna_Mapping_Node_update");

  prop = RNA_def_property(srna, "use_max", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", TEXMAP_CLIP_MAX);
  RNA_def_property_ui_text(prop, "Has Maximum", "Whether to use maximum clipping value");
  RNA_def_property_update(prop, 0, "rna_Mapping_Node_update");
}

static void def_sh_attribute(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeShaderAttribute", "storage");

  prop = RNA_def_property(srna, "attribute_name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "name");
  RNA_def_property_ui_text(prop, "Attribute Name", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_sh_tex(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "texture_mapping", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "base.tex_mapping");
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_ui_text(prop, "Texture Mapping", "Texture coordinate mapping settings");

  prop = RNA_def_property(srna, "color_mapping", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "base.color_mapping");
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_ui_text(prop, "Color Mapping", "Color mapping settings");
}

static void def_sh_tex_sky(StructRNA *srna)
{
  static const EnumPropertyItem prop_sky_type[] = {
      {SHD_SKY_OLD, "PREETHAM", 0, "Preetham", ""},
      {SHD_SKY_NEW, "HOSEK_WILKIE", 0, "Hosek / Wilkie", ""},
      {0, NULL, 0, NULL, NULL},
  };
  static float default_dir[3] = {0.0f, 0.0f, 1.0f};

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeTexSky", "storage");
  def_sh_tex(srna);

  prop = RNA_def_property(srna, "sky_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "sky_model");
  RNA_def_property_enum_items(prop, prop_sky_type);
  RNA_def_property_ui_text(prop, "Sky Type", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "sun_direction", PROP_FLOAT, PROP_DIRECTION);
  RNA_def_property_ui_text(prop, "Sun Direction", "Direction from where the sun is shining");
  RNA_def_property_array(prop, 3);
  RNA_def_property_float_array_default(prop, default_dir);
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "turbidity", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 1.0f, 10.0f);
  RNA_def_property_ui_range(prop, 1.0f, 10.0f, 10, 3);
  RNA_def_property_ui_text(prop, "Turbidity", "Atmospheric turbidity");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "ground_albedo", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop, "Ground Albedo", "Ground color that is subtly reflected in the sky");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static const EnumPropertyItem sh_tex_prop_interpolation_items[] = {
    {SHD_INTERP_LINEAR, "Linear", 0, "Linear", "Linear interpolation"},
    {SHD_INTERP_CLOSEST, "Closest", 0, "Closest", "No interpolation (sample closest texel)"},
    {SHD_INTERP_CUBIC, "Cubic", 0, "Cubic", "Cubic interpolation"},
    {SHD_INTERP_SMART, "Smart", 0, "Smart", "Bicubic when magnifying, else bilinear (OSL only)"},
    {0, NULL, 0, NULL, NULL},
};

static void def_sh_tex_environment(StructRNA *srna)
{
  static const EnumPropertyItem prop_projection_items[] = {
      {SHD_PROJ_EQUIRECTANGULAR,
       "EQUIRECTANGULAR",
       0,
       "Equirectangular",
       "Equirectangular or latitude-longitude projection"},
      {SHD_PROJ_MIRROR_BALL,
       "MIRROR_BALL",
       0,
       "Mirror Ball",
       "Projection from an orthographic photo of a mirror ball"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  prop = RNA_def_property(srna, "image", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Image");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Image", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_tex_image_update");

  RNA_def_struct_sdna_from(srna, "NodeTexEnvironment", "storage");
  def_sh_tex(srna);

  prop = RNA_def_property(srna, "projection", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_projection_items);
  RNA_def_property_ui_text(prop, "Projection", "Projection of the input image");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "interpolation", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, sh_tex_prop_interpolation_items);
  RNA_def_property_ui_text(prop, "Interpolation", "Texture interpolation");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "image_user", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_pointer_sdna(prop, NULL, "iuser");
  RNA_def_property_ui_text(
      prop,
      "Image User",
      "Parameters defining which layer, pass and frame of the image is displayed");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_tex_image(StructRNA *srna)
{
  static const EnumPropertyItem prop_projection_items[] = {
      {SHD_PROJ_FLAT,
       "FLAT",
       0,
       "Flat",
       "Image is projected flat using the X and Y coordinates of the texture vector"},
      {SHD_PROJ_BOX,
       "BOX",
       0,
       "Box",
       "Image is projected using different components for each side of the object space bounding "
       "box"},
      {SHD_PROJ_SPHERE,
       "SPHERE",
       0,
       "Sphere",
       "Image is projected spherically using the Z axis as central"},
      {SHD_PROJ_TUBE,
       "TUBE",
       0,
       "Tube",
       "Image is projected from the tube using the Z axis as central"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem prop_image_extension[] = {
      {SHD_IMAGE_EXTENSION_REPEAT,
       "REPEAT",
       0,
       "Repeat",
       "Cause the image to repeat horizontally and vertically"},
      {SHD_IMAGE_EXTENSION_EXTEND,
       "EXTEND",
       0,
       "Extend",
       "Extend by repeating edge pixels of the image"},
      {SHD_IMAGE_EXTENSION_CLIP,
       "CLIP",
       0,
       "Clip",
       "Clip to image size and set exterior pixels as transparent"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  prop = RNA_def_property(srna, "image", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Image");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Image", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_tex_image_update");

  RNA_def_struct_sdna_from(srna, "NodeTexImage", "storage");
  def_sh_tex(srna);

  prop = RNA_def_property(srna, "projection", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_projection_items);
  RNA_def_property_ui_text(
      prop, "Projection", "Method to project 2D image on object with a 3D texture vector");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "interpolation", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, sh_tex_prop_interpolation_items);
  RNA_def_property_ui_text(prop, "Interpolation", "Texture interpolation");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "projection_blend", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_ui_text(
      prop, "Projection Blend", "For box projection, amount of blend to use between sides");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "extension", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_image_extension);
  RNA_def_property_ui_text(
      prop, "Extension", "How the image is extrapolated past its original bounds");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "image_user", PROP_POINTER, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NEVER_NULL);
  RNA_def_property_pointer_sdna(prop, NULL, "iuser");
  RNA_def_property_ui_text(
      prop,
      "Image User",
      "Parameters defining which layer, pass and frame of the image is displayed");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_tex_gradient(StructRNA *srna)
{
  static const EnumPropertyItem prop_gradient_type[] = {
      {SHD_BLEND_LINEAR, "LINEAR", 0, "Linear", "Create a linear progression"},
      {SHD_BLEND_QUADRATIC, "QUADRATIC", 0, "Quadratic", "Create a quadratic progression"},
      {SHD_BLEND_EASING,
       "EASING",
       0,
       "Easing",
       "Create a progression easing from one step to the next"},
      {SHD_BLEND_DIAGONAL, "DIAGONAL", 0, "Diagonal", "Create a diagonal progression"},
      {SHD_BLEND_SPHERICAL, "SPHERICAL", 0, "Spherical", "Create a spherical progression"},
      {SHD_BLEND_QUADRATIC_SPHERE,
       "QUADRATIC_SPHERE",
       0,
       "Quadratic sphere",
       "Create a quadratic progression in the shape of a sphere"},
      {SHD_BLEND_RADIAL, "RADIAL", 0, "Radial", "Create a radial progression"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeTexGradient", "storage");
  def_sh_tex(srna);

  prop = RNA_def_property(srna, "gradient_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_gradient_type);
  RNA_def_property_ui_text(prop, "Gradient Type", "Style of the color blending");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_tex_noise(StructRNA *srna)
{
  RNA_def_struct_sdna_from(srna, "NodeTexNoise", "storage");
  def_sh_tex(srna);
}

static void def_sh_tex_checker(StructRNA *srna)
{
  RNA_def_struct_sdna_from(srna, "NodeTexChecker", "storage");
  def_sh_tex(srna);
}

static void def_sh_tex_brick(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeTexBrick", "storage");
  def_sh_tex(srna);

  prop = RNA_def_property(srna, "offset_frequency", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "offset_freq");
  RNA_def_property_int_default(prop, 2);
  RNA_def_property_range(prop, 1, 99);
  RNA_def_property_ui_text(prop, "Offset Frequency", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "squash_frequency", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "squash_freq");
  RNA_def_property_int_default(prop, 2);
  RNA_def_property_range(prop, 1, 99);
  RNA_def_property_ui_text(prop, "Squash Frequency", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "offset");
  RNA_def_property_float_default(prop, 0.5f);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Offset Amount", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "squash", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "squash");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0.0f, 99.0f);
  RNA_def_property_ui_text(prop, "Squash Amount", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_tex_magic(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeTexMagic", "storage");
  def_sh_tex(srna);

  prop = RNA_def_property(srna, "turbulence_depth", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "depth");
  RNA_def_property_range(prop, 0, 10);
  RNA_def_property_ui_text(prop, "Depth", "Level of detail in the added turbulent noise");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_tex_musgrave(StructRNA *srna)
{
  static const EnumPropertyItem prop_musgrave_type[] = {
      {SHD_MUSGRAVE_MULTIFRACTAL, "MULTIFRACTAL", 0, "Multifractal", ""},
      {SHD_MUSGRAVE_RIDGED_MULTIFRACTAL, "RIDGED_MULTIFRACTAL", 0, "Ridged Multifractal", ""},
      {SHD_MUSGRAVE_HYBRID_MULTIFRACTAL, "HYBRID_MULTIFRACTAL", 0, "Hybrid Multifractal", ""},
      {SHD_MUSGRAVE_FBM, "FBM", 0, "fBM", ""},
      {SHD_MUSGRAVE_HETERO_TERRAIN, "HETERO_TERRAIN", 0, "Hetero Terrain", ""},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeTexMusgrave", "storage");
  def_sh_tex(srna);

  prop = RNA_def_property(srna, "musgrave_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "musgrave_type");
  RNA_def_property_enum_items(prop, prop_musgrave_type);
  RNA_def_property_ui_text(prop, "Type", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_tex_voronoi(StructRNA *srna)
{
  static const EnumPropertyItem prop_coloring_items[] = {
      {SHD_VORONOI_INTENSITY, "INTENSITY", 0, "Intensity", "Only calculate intensity"},
      {SHD_VORONOI_CELLS, "CELLS", 0, "Cells", "Color cells by position"},
      {0, NULL, 0, NULL, NULL},
  };

  static EnumPropertyItem prop_distance_items[] = {
      {SHD_VORONOI_DISTANCE, "DISTANCE", 0, "Distance", "Distance"},
      {SHD_VORONOI_MANHATTAN, "MANHATTAN", 0, "Manhattan", "Manhattan (city block) distance"},
      {SHD_VORONOI_CHEBYCHEV, "CHEBYCHEV", 0, "Chebychev", "Chebychev distance"},
      {SHD_VORONOI_MINKOWSKI, "MINKOWSKI", 0, "Minkowski", "Minkowski distance"},
      {0, NULL, 0, NULL, NULL}};

  static EnumPropertyItem prop_feature_items[] = {
      {SHD_VORONOI_F1, "F1", 0, "Closest", "Closest point"},
      {SHD_VORONOI_F2, "F2", 0, "2nd Closest", "2nd closest point"},
      {SHD_VORONOI_F3, "F3", 0, "3rd Closest", "3rd closest point"},
      {SHD_VORONOI_F4, "F4", 0, "4th Closest", "4th closest point"},
      {SHD_VORONOI_F2F1, "F2F1", 0, "Crackle", "Difference between 2nd and 1st closest point"},
      {0, NULL, 0, NULL, NULL}};

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeTexVoronoi", "storage");
  def_sh_tex(srna);

  prop = RNA_def_property(srna, "coloring", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "coloring");
  RNA_def_property_enum_items(prop, prop_coloring_items);
  RNA_def_property_ui_text(prop, "Coloring", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "distance", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "distance");
  RNA_def_property_enum_items(prop, prop_distance_items);
  RNA_def_property_ui_text(prop, "Distance metric", "");
  RNA_def_property_update(prop, 0, "rna_ShaderNode_socket_update");

  prop = RNA_def_property(srna, "feature", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "feature");
  RNA_def_property_enum_items(prop, prop_feature_items);
  RNA_def_property_ui_text(prop, "Feature Output", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_tex_wave(StructRNA *srna)
{
  static const EnumPropertyItem prop_wave_type_items[] = {
      {SHD_WAVE_BANDS, "BANDS", 0, "Bands", "Use standard wave texture in bands"},
      {SHD_WAVE_RINGS, "RINGS", 0, "Rings", "Use wave texture in rings"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem prop_wave_profile_items[] = {
      {SHD_WAVE_PROFILE_SIN, "SIN", 0, "Sine", "Use a standard sine profile"},
      {SHD_WAVE_PROFILE_SAW, "SAW", 0, "Saw", "Use a sawtooth profile"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeTexWave", "storage");
  def_sh_tex(srna);

  prop = RNA_def_property(srna, "wave_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "wave_type");
  RNA_def_property_enum_items(prop, prop_wave_type_items);
  RNA_def_property_ui_text(prop, "Wave Type", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "wave_profile", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "wave_profile");
  RNA_def_property_enum_items(prop, prop_wave_profile_items);
  RNA_def_property_ui_text(prop, "Wave Profile", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_tex_coord(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Object");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(
      prop, "Object", "Use coordinates from this object (for object texture coordinates output)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update_relations");

  prop = RNA_def_property(srna, "from_instancer", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(
      prop, "From Instancer", "Use the parent of the dupli object if possible");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_sh_vect_transform(StructRNA *srna)
{
  static const EnumPropertyItem prop_vect_type_items[] = {
      {SHD_VECT_TRANSFORM_TYPE_POINT, "POINT", 0, "Point", "Transform a point"},
      {SHD_VECT_TRANSFORM_TYPE_VECTOR, "VECTOR", 0, "Vector", "Transform a direction vector"},
      {SHD_VECT_TRANSFORM_TYPE_NORMAL,
       "NORMAL",
       0,
       "Normal",
       "Transform a normal vector with unit length"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem prop_vect_space_items[] = {
      {SHD_VECT_TRANSFORM_SPACE_WORLD, "WORLD", 0, "World", ""},
      {SHD_VECT_TRANSFORM_SPACE_OBJECT, "OBJECT", 0, "Object", ""},
      {SHD_VECT_TRANSFORM_SPACE_CAMERA, "CAMERA", 0, "Camera", ""},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeShaderVectTransform", "storage");

  prop = RNA_def_property(srna, "vector_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "type");
  RNA_def_property_enum_items(prop, prop_vect_type_items);
  RNA_def_property_ui_text(prop, "Type", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "convert_from", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_vect_space_items);
  RNA_def_property_ui_text(prop, "Convert From", "Space to convert from");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "convert_to", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_vect_space_items);
  RNA_def_property_ui_text(prop, "Convert To", "Space to convert to");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_tex_wireframe(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "use_pixel_size", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(prop, "Pixel Size", "Use screen pixel size instead of world units");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_sh_tex_pointdensity(StructRNA *srna)
{
  PropertyRNA *prop;

  FunctionRNA *func;
  PropertyRNA *parm;

  static const EnumPropertyItem point_source_items[] = {
      {SHD_POINTDENSITY_SOURCE_PSYS,
       "PARTICLE_SYSTEM",
       0,
       "Particle System",
       "Generate point density from a particle system"},
      {SHD_POINTDENSITY_SOURCE_OBJECT,
       "OBJECT",
       0,
       "Object Vertices",
       "Generate point density from an object's vertices"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem prop_interpolation_items[] = {
      {SHD_INTERP_CLOSEST, "Closest", 0, "Closest", "No interpolation (sample closest texel)"},
      {SHD_INTERP_LINEAR, "Linear", 0, "Linear", "Linear interpolation"},
      {SHD_INTERP_CUBIC, "Cubic", 0, "Cubic", "Cubic interpolation"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem space_items[] = {
      {SHD_POINTDENSITY_SPACE_OBJECT, "OBJECT", 0, "Object Space", ""},
      {SHD_POINTDENSITY_SPACE_WORLD, "WORLD", 0, "World Space", ""},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem particle_color_source_items[] = {
      {SHD_POINTDENSITY_COLOR_PARTAGE,
       "PARTICLE_AGE",
       0,
       "Particle Age",
       "Lifetime mapped as 0.0 - 1.0 intensity"},
      {SHD_POINTDENSITY_COLOR_PARTSPEED,
       "PARTICLE_SPEED",
       0,
       "Particle Speed",
       "Particle speed (absolute magnitude of velocity) mapped as 0.0-1.0 intensity"},
      {SHD_POINTDENSITY_COLOR_PARTVEL,
       "PARTICLE_VELOCITY",
       0,
       "Particle Velocity",
       "XYZ velocity mapped to RGB colors"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem vertex_color_source_items[] = {
      {SHD_POINTDENSITY_COLOR_VERTCOL, "VERTEX_COLOR", 0, "Vertex Color", "Vertex color layer"},
      {SHD_POINTDENSITY_COLOR_VERTWEIGHT,
       "VERTEX_WEIGHT",
       0,
       "Vertex Weight",
       "Vertex group weight"},
      {SHD_POINTDENSITY_COLOR_VERTNOR,
       "VERTEX_NORMAL",
       0,
       "Vertex Normal",
       "XYZ normal vector mapped to RGB colors"},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Object");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Object", "Object to take point data from");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeShaderTexPointDensity", "storage");

  prop = RNA_def_property(srna, "point_source", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, point_source_items);
  RNA_def_property_ui_text(prop, "Point Source", "Point data to use as renderable point density");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "particle_system", PROP_POINTER, PROP_NONE);
  RNA_def_property_ui_text(prop, "Particle System", "Particle System to render as points");
  RNA_def_property_struct_type(prop, "ParticleSystem");
  RNA_def_property_pointer_funcs(prop,
                                 "rna_ShaderNodePointDensity_psys_get",
                                 "rna_ShaderNodePointDensity_psys_set",
                                 NULL,
                                 NULL);
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "resolution", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1, 32768);
  RNA_def_property_ui_text(
      prop, "Resolution", "Resolution used by the texture holding the point density");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "radius", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "radius");
  RNA_def_property_range(prop, 0.001, FLT_MAX);
  RNA_def_property_ui_text(
      prop, "Radius", "Radius from the shaded sample to look for points within");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, space_items);
  RNA_def_property_ui_text(prop, "Space", "Coordinate system to calculate voxels in");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "interpolation", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_interpolation_items);
  RNA_def_property_ui_text(prop, "Interpolation", "Texture interpolation");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "particle_color_source", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "color_source");
  RNA_def_property_enum_items(prop, particle_color_source_items);
  RNA_def_property_ui_text(prop, "Color Source", "Data to derive color results from");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "vertex_color_source", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "ob_color_source");
  RNA_def_property_enum_items(prop, vertex_color_source_items);
  RNA_def_property_ui_text(prop, "Color Source", "Data to derive color results from");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "vertex_attribute_name", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "Vertex Attribute Name", "Vertex attribute to use for color");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  func = RNA_def_function(srna, "cache_point_density", "rna_ShaderNodePointDensity_density_cache");
  RNA_def_function_ui_description(func, "Cache point density data for later calculation");
  RNA_def_pointer(func, "depsgraph", "Depsgraph", "", "");

  func = RNA_def_function(srna, "calc_point_density", "rna_ShaderNodePointDensity_density_calc");
  RNA_def_function_ui_description(func, "Calculate point density");
  RNA_def_pointer(func, "depsgraph", "Depsgraph", "", "");
  /* TODO, See how array size of 0 works, this shouldnt be used. */
  parm = RNA_def_float_array(func, "rgba_values", 1, NULL, 0, 0, "", "RGBA Values", 0, 0);
  RNA_def_parameter_flags(parm, PROP_DYNAMIC, 0);
  RNA_def_function_output(func, parm);

  func = RNA_def_function(
      srna, "calc_point_density_minmax", "rna_ShaderNodePointDensity_density_minmax");
  RNA_def_function_ui_description(func, "Calculate point density");
  RNA_def_pointer(func, "depsgraph", "Depsgraph", "", "");
  parm = RNA_def_property(func, "min", PROP_FLOAT, PROP_COORDS);
  RNA_def_property_array(parm, 3);
  RNA_def_parameter_flags(parm, PROP_THICK_WRAP, 0);
  RNA_def_function_output(func, parm);
  parm = RNA_def_property(func, "max", PROP_FLOAT, PROP_COORDS);
  RNA_def_property_array(parm, 3);
  RNA_def_parameter_flags(parm, PROP_THICK_WRAP, 0);
  RNA_def_function_output(func, parm);
}

static void def_glossy(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "distribution", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_glossy_items);
  RNA_def_property_ui_text(prop, "Distribution", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_glass(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "distribution", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_glass_items);
  RNA_def_property_ui_text(prop, "Distribution", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_principled(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "distribution", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_principled_distribution_items);
  RNA_def_property_ui_text(prop, "Distribution", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNode_socket_update");

  prop = RNA_def_property(srna, "subsurface_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom2");
  RNA_def_property_enum_items(prop, node_subsurface_method_items);
  RNA_def_property_ui_text(
      prop, "Subsurface Method", "Method for rendering subsurface scattering");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNode_socket_update");
}

static void def_refraction(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "distribution", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_refraction_items);
  RNA_def_property_ui_text(prop, "Distribution", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_anisotropic(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "distribution", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_anisotropic_items);
  RNA_def_property_ui_text(prop, "Distribution", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_toon(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "component", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_toon_items);
  RNA_def_property_ui_text(prop, "Component", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_sh_bump(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "invert", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(
      prop, "Invert", "Invert the bump mapping direction to push into the surface instead of out");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_hair(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "component", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_hair_items);
  RNA_def_property_ui_text(prop, "Component", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

/* RNA initialization for the custom property. */
static void def_hair_principled(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "parametrization", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_ui_text(
      prop, "Color parametrization", "Select the shader's color parametrization");
  RNA_def_property_enum_items(prop, node_principled_hair_items);
  RNA_def_property_enum_default(prop, SHD_PRINCIPLED_HAIR_REFLECTANCE);
  /* Upon editing, update both the node data AND the UI representation */
  /* (This effectively shows/hides the relevant sockets) */
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNode_socket_update");
}

static void def_sh_uvmap(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "from_instancer", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(
      prop, "From Instancer", "Use the parent of the dupli object if possible");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeShaderUVMap", "storage");

  prop = RNA_def_property(srna, "uv_map", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "UV Map", "UV coordinates to be used for mapping");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "bNode", NULL);
}

static void def_sh_uvalongstroke(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "use_tips", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(
      prop, "Use Tips", "Lower half of the texture is for tips of the stroke");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_sh_normal_map(StructRNA *srna)
{
  static const EnumPropertyItem prop_space_items[] = {
      {SHD_SPACE_TANGENT, "TANGENT", 0, "Tangent Space", "Tangent space normal mapping"},
      {SHD_SPACE_OBJECT, "OBJECT", 0, "Object Space", "Object space normal mapping"},
      {SHD_SPACE_WORLD, "WORLD", 0, "World Space", "World space normal mapping"},
      {SHD_SPACE_BLENDER_OBJECT,
       "BLENDER_OBJECT",
       0,
       "Blender Object Space",
       "Object space normal mapping, compatible with Blender render baking"},
      {SHD_SPACE_BLENDER_WORLD,
       "BLENDER_WORLD",
       0,
       "Blender World Space",
       "World space normal mapping, compatible with Blender render baking"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeShaderNormalMap", "storage");

  prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_space_items);
  RNA_def_property_ui_text(prop, "Space", "Space of the input normal");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "uv_map", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "UV Map", "UV Map for tangent space maps");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "bNode", NULL);
}

static void def_sh_displacement(StructRNA *srna)
{
  static const EnumPropertyItem prop_space_items[] = {
      {SHD_SPACE_OBJECT,
       "OBJECT",
       0,
       "Object Space",
       "Displacement is in object space, affected by object scale"},
      {SHD_SPACE_WORLD,
       "WORLD",
       0,
       "World Space",
       "Displacement is in world space, not affected by object scale"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, prop_space_items);
  RNA_def_property_ui_text(prop, "Space", "Space of the input height");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "bNode", NULL);
}

static void def_sh_vector_displacement(StructRNA *srna)
{
  static const EnumPropertyItem prop_space_items[] = {
      {SHD_SPACE_TANGENT,
       "TANGENT",
       0,
       "Tangent Space",
       "Tangent space vector displacement mapping"},
      {SHD_SPACE_OBJECT, "OBJECT", 0, "Object Space", "Object space vector displacement mapping"},
      {SHD_SPACE_WORLD, "WORLD", 0, "World Space", "World space vector displacement mapping"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, prop_space_items);
  RNA_def_property_ui_text(prop, "Space", "Space of the input height");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "bNode", NULL);
}

static void def_sh_tangent(StructRNA *srna)
{
  static const EnumPropertyItem prop_direction_type_items[] = {
      {SHD_TANGENT_RADIAL, "RADIAL", 0, "Radial", "Radial tangent around the X, Y or Z axis"},
      {SHD_TANGENT_UVMAP, "UV_MAP", 0, "UV Map", "Tangent from UV map"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem prop_axis_items[] = {
      {SHD_TANGENT_AXIS_X, "X", 0, "X", "X axis"},
      {SHD_TANGENT_AXIS_Y, "Y", 0, "Y", "Y axis"},
      {SHD_TANGENT_AXIS_Z, "Z", 0, "Z", "Z axis"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeShaderTangent", "storage");

  prop = RNA_def_property(srna, "direction_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_direction_type_items);
  RNA_def_property_ui_text(prop, "Direction", "Method to use for the tangent");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, prop_axis_items);
  RNA_def_property_ui_text(prop, "Axis", "Axis for radial tangents");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "uv_map", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "UV Map", "UV Map for tangent generated from UV");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "bNode", NULL);
}

static void def_sh_bevel(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "samples", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, NULL, "custom1");
  RNA_def_property_range(prop, 2, 16);
  RNA_def_property_ui_text(prop, "Samples", "Number of rays to trace per shader evaluation");
  RNA_def_property_update(prop, 0, "rna_Node_update");
}

static void def_sh_ambient_occlusion(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "samples", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_sdna(prop, NULL, "custom1");
  RNA_def_property_range(prop, 1, 128);
  RNA_def_property_ui_text(prop, "Samples", "Number of rays to trace per shader evaluation");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "inside", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom2", SHD_AO_INSIDE);
  RNA_def_property_ui_text(prop, "Inside", "Trace rays towards the inside of the object");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "only_local", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom2", SHD_AO_LOCAL);
  RNA_def_property_ui_text(
      prop, "Only Local", "Only consider the object itself when computing AO");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_sh_subsurface(StructRNA *srna)
{
  static const EnumPropertyItem prop_subsurface_falloff_items[] = {
      {SHD_SUBSURFACE_CUBIC, "CUBIC", 0, "Cubic", "Simple cubic falloff function"},
      {SHD_SUBSURFACE_GAUSSIAN,
       "GAUSSIAN",
       0,
       "Gaussian",
       "Normal distribution, multiple can be combined to fit more complex profiles"},
      {SHD_SUBSURFACE_BURLEY,
       "BURLEY",
       0,
       "Christensen-Burley",
       "Approximation to physically based volume scattering"},
      {SHD_SUBSURFACE_RANDOM_WALK,
       "RANDOM_WALK",
       0,
       "Random Walk",
       "Volumetric approximation to physically based volume scattering"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  prop = RNA_def_property(srna, "falloff", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, prop_subsurface_falloff_items);
  RNA_def_property_ui_text(prop,
                           "Falloff",
                           "Function to determine how much light nearby points contribute based "
                           "on their distance to the shading point");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNode_socket_update");
}

static void def_sh_tex_ies(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "ies", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Text");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
  RNA_def_property_ui_text(prop, "IES Text", "Internal IES file");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeShaderTexIES", "storage");

  prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_FILEPATH);
  RNA_def_property_ui_text(prop, "File Path", "IES light path");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_funcs(prop, NULL, "rna_ShaderNodeTexIES_mode_set", NULL);
  RNA_def_property_enum_items(prop, node_ies_mode_items);
  RNA_def_property_ui_text(
      prop, "Source", "Whether the IES file is loaded from disk or from a Text datablock");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "bNode", NULL);
}

static void def_sh_script(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "script", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Text");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
  RNA_def_property_ui_text(prop, "Script", "Internal shader script to define the shader");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNodeScript_update");

  RNA_def_struct_sdna_from(srna, "NodeShaderScript", "storage");

  prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_FILEPATH);
  RNA_def_property_ui_text(prop, "File Path", "Shader script path");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_ShaderNodeScript_update");

  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_funcs(prop, NULL, "rna_ShaderNodeScript_mode_set", NULL);
  RNA_def_property_enum_items(prop, node_script_mode_items);
  RNA_def_property_ui_text(prop, "Script Source", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_auto_update", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_SCRIPT_AUTO_UPDATE);
  RNA_def_property_ui_text(
      prop,
      "Auto Update",
      "Automatically update the shader when the .osl file changes (external scripts only)");

  prop = RNA_def_property(srna, "bytecode", PROP_STRING, PROP_NONE);
  RNA_def_property_string_funcs(prop,
                                "rna_ShaderNodeScript_bytecode_get",
                                "rna_ShaderNodeScript_bytecode_length",
                                "rna_ShaderNodeScript_bytecode_set");
  RNA_def_property_ui_text(prop, "Bytecode", "Compile bytecode for shader script node");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "bytecode_hash", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(
      prop, "Bytecode Hash", "Hash of compile bytecode, for quick equality checking");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  /* needs to be reset to avoid bad pointer type in API functions below */
  RNA_def_struct_sdna_from(srna, "bNode", NULL);

  /* API functions */

#  if 0 /* XXX TODO use general node api for this */
  func = RNA_def_function(srna, "find_socket", "rna_ShaderNodeScript_find_socket");
  RNA_def_function_ui_description(func, "Find a socket by name");
  parm = RNA_def_string(func, "name", NULL, 0, "Socket name", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  /*parm =*/RNA_def_boolean(func, "is_output", false, "Output", "Whether the socket is an output");
  parm = RNA_def_pointer(func, "result", "NodeSocket", "", "");
  RNA_def_function_return(func, parm);

  func = RNA_def_function(srna, "add_socket", "rna_ShaderNodeScript_add_socket");
  RNA_def_function_ui_description(func, "Add a socket socket");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
  parm = RNA_def_string(func, "name", NULL, 0, "Name", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_enum(func, "type", node_socket_type_items, SOCK_FLOAT, "Type", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  /*parm =*/RNA_def_boolean(func, "is_output", false, "Output", "Whether the socket is an output");
  parm = RNA_def_pointer(func, "result", "NodeSocket", "", "");
  RNA_def_function_return(func, parm);

  func = RNA_def_function(srna, "remove_socket", "rna_ShaderNodeScript_remove_socket");
  RNA_def_function_ui_description(func, "Remove a socket socket");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
  parm = RNA_def_pointer(func, "sock", "NodeSocket", "Socket", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
#  endif
}

/* -- Compositor Nodes ------------------------------------------------------ */

static void def_cmp_alpha_over(StructRNA *srna)
{
  PropertyRNA *prop;

  /* XXX: Tooltip */
  prop = RNA_def_property(srna, "use_premultiply", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(prop, "Convert Premul", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeTwoFloats", "storage");

  prop = RNA_def_property(srna, "premul", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, NULL, "x");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Premul", "Mix Factor");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_blur(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem filter_type_items[] = {
      {R_FILTER_BOX, "FLAT", 0, "Flat", ""},
      {R_FILTER_TENT, "TENT", 0, "Tent", ""},
      {R_FILTER_QUAD, "QUAD", 0, "Quadratic", ""},
      {R_FILTER_CUBIC, "CUBIC", 0, "Cubic", ""},
      {R_FILTER_GAUSS, "GAUSS", 0, "Gaussian", ""},
      {R_FILTER_FAST_GAUSS, "FAST_GAUSS", 0, "Fast Gaussian", ""},
      {R_FILTER_CATROM, "CATROM", 0, "Catrom", ""},
      {R_FILTER_MITCH, "MITCH", 0, "Mitch", ""},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem aspect_correction_type_items[] = {
      {CMP_NODE_BLUR_ASPECT_NONE, "NONE", 0, "None", ""},
      {CMP_NODE_BLUR_ASPECT_Y, "Y", 0, "Y", ""},
      {CMP_NODE_BLUR_ASPECT_X, "X", 0, "X", ""},
      {0, NULL, 0, NULL, NULL},
  };

  /* duplicated in def_cmp_bokehblur */
  prop = RNA_def_property(srna, "use_variable_size", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", CMP_NODEFLAG_BLUR_VARIABLE_SIZE);
  RNA_def_property_ui_text(
      prop, "Variable Size", "Support variable blur per-pixel when using an image for size input");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_extended_bounds", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", CMP_NODEFLAG_BLUR_EXTEND_BOUNDS);
  RNA_def_property_ui_text(
      prop, "Extend Bounds", "Extend bounds of the input image to fully fit blurred image");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeBlurData", "storage");

  prop = RNA_def_property(srna, "size_x", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "sizex");
  RNA_def_property_range(prop, 0, 2048);
  RNA_def_property_ui_text(prop, "Size X", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "size_y", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "sizey");
  RNA_def_property_range(prop, 0, 2048);
  RNA_def_property_ui_text(prop, "Size Y", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_relative", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "relative", 1);
  RNA_def_property_ui_text(
      prop, "Relative", "Use relative (percent) values to define blur radius");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "aspect_correction", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "aspect");
  RNA_def_property_enum_items(prop, aspect_correction_type_items);
  RNA_def_property_ui_text(prop, "Aspect Correction", "Type of aspect correction to use");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fac");
  RNA_def_property_range(prop, 0.0f, 2.0f);
  RNA_def_property_ui_text(prop, "Factor", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "factor_x", PROP_FLOAT, PROP_PERCENTAGE);
  RNA_def_property_float_sdna(prop, NULL, "percentx");
  RNA_def_property_range(prop, 0.0f, 100.0f);
  RNA_def_property_ui_text(prop, "Relative Size X", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "factor_y", PROP_FLOAT, PROP_PERCENTAGE);
  RNA_def_property_float_sdna(prop, NULL, "percenty");
  RNA_def_property_range(prop, 0.0f, 100.0f);
  RNA_def_property_ui_text(prop, "Relative Size Y", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "filter_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "filtertype");
  RNA_def_property_enum_items(prop, filter_type_items);
  RNA_def_property_ui_text(prop, "Filter Type", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_bokeh", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "bokeh", 1);
  RNA_def_property_ui_text(prop, "Bokeh", "Use circular filter (slower)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_gamma_correction", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "gamma", 1);
  RNA_def_property_ui_text(prop, "Gamma", "Apply filter on gamma corrected values");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_filter(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "filter_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, rna_enum_node_filter_items);
  RNA_def_property_ui_text(prop, "Filter Type", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_map_value(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "TexMapping", "storage");

  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "loc");
  RNA_def_property_array(prop, 1);
  RNA_def_property_range(prop, -1000.0f, 1000.0f);
  RNA_def_property_ui_text(prop, "Offset", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "size", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "size");
  RNA_def_property_array(prop, 1);
  RNA_def_property_range(prop, -1000.0f, 1000.0f);
  RNA_def_property_ui_text(prop, "Size", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_min", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", TEXMAP_CLIP_MIN);
  RNA_def_property_ui_text(prop, "Use Minimum", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_max", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", TEXMAP_CLIP_MAX);
  RNA_def_property_ui_text(prop, "Use Maximum", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "min", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "min");
  RNA_def_property_array(prop, 1);
  RNA_def_property_range(prop, -1000.0f, 1000.0f);
  RNA_def_property_ui_text(prop, "Minimum", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "max", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "max");
  RNA_def_property_array(prop, 1);
  RNA_def_property_range(prop, -1000.0f, 1000.0f);
  RNA_def_property_ui_text(prop, "Maximum", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_map_range(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "use_clamp", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(prop, "Clamp", "Clamp result of the node to 0..1 range");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_vector_blur(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeBlurData", "storage");

  prop = RNA_def_property(srna, "samples", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "samples");
  RNA_def_property_range(prop, 1, 256);
  RNA_def_property_ui_text(prop, "Samples", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "speed_min", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "minspeed");
  RNA_def_property_range(prop, 0, 1024);
  RNA_def_property_ui_text(
      prop,
      "Min Speed",
      "Minimum speed for a pixel to be blurred (used to separate background from foreground)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "speed_max", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "maxspeed");
  RNA_def_property_range(prop, 0, 1024);
  RNA_def_property_ui_text(prop, "Max Speed", "Maximum speed, or zero for none");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "factor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fac");
  RNA_def_property_range(prop, 0.0, 20.0);
  RNA_def_property_ui_range(prop, 0.0, 2.0, 1.0, 2);
  RNA_def_property_ui_text(
      prop,
      "Blur Factor",
      "Scaling factor for motion vectors (actually, 'shutter speed', in frames)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_curved", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "curved", 1);
  RNA_def_property_ui_text(
      prop, "Curved", "Interpolate between frames in a Bezier curve, rather than linearly");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_levels(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem channel_items[] = {
      {1, "COMBINED_RGB", 0, "C", "Combined RGB"},
      {2, "RED", 0, "R", "Red Channel"},
      {3, "GREEN", 0, "G", "Green Channel"},
      {4, "BLUE", 0, "B", "Blue Channel"},
      {5, "LUMINANCE", 0, "L", "Luminance Channel"},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "channel", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, channel_items);
  RNA_def_property_ui_text(prop, "Channel", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_node_image_user(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "frame_duration", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "frames");
  RNA_def_property_range(prop, 0, MAXFRAMEF);
  RNA_def_property_ui_text(
      prop, "Frames", "Number of images of a movie to use"); /* copied from the rna_image.c */
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "frame_start", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "sfra");
  RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
  /* copied from the rna_image.c */
  RNA_def_property_ui_text(
      prop,
      "Start Frame",
      "Global starting frame of the movie/sequence, assuming first picture has a #1");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "frame_offset", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "offset");
  RNA_def_property_range(prop, MINAFRAMEF, MAXFRAMEF);
  /* copied from the rna_image.c */
  RNA_def_property_ui_text(
      prop, "Offset", "Offset the number of the frame to use in the animation");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_cyclic", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "cycl", 1);
  RNA_def_property_ui_text(
      prop, "Cyclic", "Cycle the images in the movie"); /* copied from the rna_image.c */
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_auto_refresh", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", IMA_ANIM_ALWAYS);
  /* copied from the rna_image.c */
  RNA_def_property_ui_text(prop, "Auto-Refresh", "Always refresh image on frame changes");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "layer", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "layer");
  RNA_def_property_enum_items(prop, prop_image_layer_items);
  RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_Node_image_layer_itemf");
  RNA_def_property_flag(prop, PROP_ENUM_NO_TRANSLATE);
  RNA_def_property_ui_text(prop, "Layer", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_image_layer_update");

  prop = RNA_def_property(srna, "has_layers", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_funcs(prop, "rna_Node_image_has_layers_get", NULL);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Has Layers", "True if this image has any named layer");

  prop = RNA_def_property(srna, "view", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "view");
  RNA_def_property_enum_items(prop, prop_image_view_items);
  RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_Node_image_view_itemf");
  RNA_def_property_flag(prop, PROP_ENUM_NO_TRANSLATE);
  RNA_def_property_ui_text(prop, "View", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "has_views", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_funcs(prop, "rna_Node_image_has_views_get", NULL);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Has View", "True if this image has multiple views");
}

static void def_cmp_image(StructRNA *srna)
{
  PropertyRNA *prop;

#  if 0
  static const EnumPropertyItem type_items[] = {
      {IMA_SRC_FILE, "IMAGE", 0, "Image", ""},
      {IMA_SRC_MOVIE, "MOVIE", "Movie", ""},
      {IMA_SRC_SEQUENCE, "SEQUENCE", "Sequence", ""},
      {IMA_SRC_GENERATED, "GENERATED", "Generated", ""},
      {0, NULL, 0, NULL, NULL},
  };
#  endif

  prop = RNA_def_property(srna, "image", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Image");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Image", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Image_Node_update_id");

  prop = RNA_def_property(srna, "use_straight_alpha_output", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", CMP_NODE_IMAGE_USE_STRAIGHT_OUTPUT);
  RNA_def_property_ui_text(prop,
                           "Straight Alpha Output",
                           "Put Node output buffer to straight alpha instead of premultiplied");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  /* NB: image user properties used in the UI are redefined in def_node_image_user,
   * to trigger correct updates of the node editor. RNA design problem that prevents
   * updates from nested structs ...
   */
  RNA_def_struct_sdna_from(srna, "ImageUser", "storage");
  def_node_image_user(srna);
}

static void def_cmp_render_layers(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "scene", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_pointer_funcs(prop, NULL, "rna_Node_scene_set", NULL, NULL);
  RNA_def_property_struct_type(prop, "Scene");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(prop, "Scene", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_view_layer_update");

  prop = RNA_def_property(srna, "layer", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, prop_view_layer_items);
  RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_Node_view_layer_itemf");
  RNA_def_property_flag(prop, PROP_ENUM_NO_TRANSLATE);
  RNA_def_property_ui_text(prop, "Layer", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_view_layer_update");
}

static void rna_def_cmp_output_file_slot_file(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, "NodeOutputFileSlotFile", NULL);
  RNA_def_struct_sdna(srna, "NodeImageMultiFileSocket");
  RNA_def_struct_ui_text(
      srna, "Output File Slot", "Single layer file slot of the file output node");

  prop = RNA_def_property(srna, "use_node_format", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "use_node_format", 1);
  RNA_def_property_ui_text(prop, "Use Node Format", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "format", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "ImageFormatSettings");

  prop = RNA_def_property(srna, "path", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "path");
  RNA_def_property_string_funcs(prop, NULL, NULL, "rna_NodeOutputFileSlotFile_path_set");
  RNA_def_struct_name_property(srna, prop);
  RNA_def_property_ui_text(prop, "Path", "Subpath used for this slot");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, NULL);
}
static void rna_def_cmp_output_file_slot_layer(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, "NodeOutputFileSlotLayer", NULL);
  RNA_def_struct_sdna(srna, "NodeImageMultiFileSocket");
  RNA_def_struct_ui_text(
      srna, "Output File Layer Slot", "Multilayer slot of the file output node");

  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "layer");
  RNA_def_property_string_funcs(prop, NULL, NULL, "rna_NodeOutputFileSlotLayer_name_set");
  RNA_def_struct_name_property(srna, prop);
  RNA_def_property_ui_text(prop, "Name", "OpenEXR layer name used for this slot");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, NULL);
}
static void rna_def_cmp_output_file_slots_api(BlenderRNA *brna,
                                              PropertyRNA *cprop,
                                              const char *struct_name)
{
  StructRNA *srna;
  PropertyRNA *parm;
  FunctionRNA *func;

  RNA_def_property_srna(cprop, struct_name);
  srna = RNA_def_struct(brna, struct_name, NULL);
  RNA_def_struct_sdna(srna, "bNode");
  RNA_def_struct_ui_text(srna, "File Output Slots", "Collection of File Output node slots");

  func = RNA_def_function(srna, "new", "rna_NodeOutputFile_slots_new");
  RNA_def_function_ui_description(func, "Add a file slot to this node");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_USE_REPORTS | FUNC_USE_CONTEXT);
  parm = RNA_def_string(func, "name", NULL, MAX_NAME, "Name", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  /* return value */
  parm = RNA_def_pointer(func, "socket", "NodeSocket", "", "New socket");
  RNA_def_function_return(func, parm);

  /* NB: methods below can use the standard node socket API functions,
   * included here for completeness.
   */

  func = RNA_def_function(srna, "remove", "rna_Node_socket_remove");
  RNA_def_function_ui_description(func, "Remove a file slot from this node");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_USE_MAIN | FUNC_USE_REPORTS);
  parm = RNA_def_pointer(func, "socket", "NodeSocket", "", "The socket to remove");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  func = RNA_def_function(srna, "clear", "rna_Node_inputs_clear");
  RNA_def_function_ui_description(func, "Remove all file slots from this node");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_USE_MAIN);

  func = RNA_def_function(srna, "move", "rna_Node_inputs_move");
  RNA_def_function_ui_description(func, "Move a file slot to another position");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_USE_MAIN);
  parm = RNA_def_int(
      func, "from_index", -1, 0, INT_MAX, "From Index", "Index of the socket to move", 0, 10000);
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_int(
      func, "to_index", -1, 0, INT_MAX, "To Index", "Target index for the socket", 0, 10000);
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
}
static void def_cmp_output_file(BlenderRNA *brna, StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeImageMultiFile", "storage");

  prop = RNA_def_property(srna, "base_path", PROP_STRING, PROP_FILEPATH);
  RNA_def_property_string_sdna(prop, NULL, "base_path");
  RNA_def_property_ui_text(prop, "Base Path", "Base output path for the image");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "active_input_index", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "active_input");
  RNA_def_property_ui_text(prop, "Active Input Index", "Active input index in details view list");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "format", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "ImageFormatSettings");

  /* XXX using two different collections here for the same basic DNA list!
   * Details of the output slots depend on whether the node is in Multilayer EXR mode.
   */

  prop = RNA_def_property(srna, "file_slots", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_funcs(prop,
                                    "rna_NodeOutputFile_slots_begin",
                                    "rna_iterator_listbase_next",
                                    "rna_iterator_listbase_end",
                                    "rna_NodeOutputFile_slot_file_get",
                                    NULL,
                                    NULL,
                                    NULL,
                                    NULL);
  RNA_def_property_struct_type(prop, "NodeOutputFileSlotFile");
  RNA_def_property_ui_text(prop, "File Slots", "");
  rna_def_cmp_output_file_slots_api(brna, prop, "CompositorNodeOutputFileFileSlots");

  prop = RNA_def_property(srna, "layer_slots", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_funcs(prop,
                                    "rna_NodeOutputFile_slots_begin",
                                    "rna_iterator_listbase_next",
                                    "rna_iterator_listbase_end",
                                    "rna_NodeOutputFile_slot_layer_get",
                                    NULL,
                                    NULL,
                                    NULL,
                                    NULL);
  RNA_def_property_struct_type(prop, "NodeOutputFileSlotLayer");
  RNA_def_property_ui_text(prop, "EXR Layer Slots", "");
  rna_def_cmp_output_file_slots_api(brna, prop, "CompositorNodeOutputFileLayerSlots");
}

static void def_cmp_dilate_erode(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem mode_items[] = {
      {CMP_NODE_DILATEERODE_STEP, "STEP", 0, "Step", ""},
      {CMP_NODE_DILATEERODE_DISTANCE_THRESH, "THRESHOLD", 0, "Threshold", ""},
      {CMP_NODE_DILATEERODE_DISTANCE, "DISTANCE", 0, "Distance", ""},
      {CMP_NODE_DILATEERODE_DISTANCE_FEATHER, "FEATHER", 0, "Feather", ""},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, mode_items);
  RNA_def_property_ui_text(prop, "Mode", "Growing/shrinking mode");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "distance", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom2");
  RNA_def_property_range(prop, -5000, 5000);
  RNA_def_property_ui_range(prop, -100, 100, 0, -1);
  RNA_def_property_ui_text(prop, "Distance", "Distance to grow/shrink (number of iterations)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  /* CMP_NODE_DILATEERODE_DISTANCE_THRESH only */
  prop = RNA_def_property(srna, "edge", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom3");
  RNA_def_property_range(prop, -100, 100);
  RNA_def_property_ui_text(prop, "Edge", "Edge to inset");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeDilateErode", "storage");

  /* CMP_NODE_DILATEERODE_DISTANCE_FEATHER only */
  prop = RNA_def_property(srna, "falloff", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "falloff");
  RNA_def_property_enum_items(prop, rna_enum_proportional_falloff_curve_only_items);
  RNA_def_property_ui_text(prop, "Falloff", "Falloff type the feather");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_CURVE); /* Abusing id_curve :/ */
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_inpaint(StructRNA *srna)
{
  PropertyRNA *prop;

#  if 0
  prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);

  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, type_items);
  RNA_def_property_ui_text(prop, "Type", "Type of inpaint algorithm");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
#  endif

  prop = RNA_def_property(srna, "distance", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom2");
  RNA_def_property_range(prop, 1, 10000);
  RNA_def_property_ui_text(prop, "Distance", "Distance to inpaint (number of iterations)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_despeckle(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom3");
  RNA_def_property_range(prop, 0.0, 1.0f);
  RNA_def_property_ui_text(prop, "Threshold", "Threshold for detecting pixels to despeckle");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "threshold_neighbor", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom4");
  RNA_def_property_range(prop, 0.0, 1.0f);
  RNA_def_property_ui_text(
      prop, "Neighbor", "Threshold for the number of neighbor pixels that must match");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_scale(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem space_items[] = {
      {CMP_SCALE_RELATIVE, "RELATIVE", 0, "Relative", ""},
      {CMP_SCALE_ABSOLUTE, "ABSOLUTE", 0, "Absolute", ""},
      {CMP_SCALE_SCENEPERCENT, "SCENE_SIZE", 0, "Scene Size", ""},
      {CMP_SCALE_RENDERPERCENT, "RENDER_SIZE", 0, "Render Size", ""},
      {0, NULL, 0, NULL, NULL},
  };

  /* matching bgpic_camera_frame_items[] */
  static const EnumPropertyItem space_frame_items[] = {
      {0, "STRETCH", 0, "Stretch", ""},
      {CMP_SCALE_RENDERSIZE_FRAME_ASPECT, "FIT", 0, "Fit", ""},
      {CMP_SCALE_RENDERSIZE_FRAME_ASPECT | CMP_SCALE_RENDERSIZE_FRAME_CROP, "CROP", 0, "Crop", ""},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "space", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, space_items);
  RNA_def_property_ui_text(prop, "Space", "Coordinate space to scale relative to");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_CompositorNodeScale_update");

  /* expose 2 flags as a enum of 3 items */
  prop = RNA_def_property(srna, "frame_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_bitflag_sdna(prop, NULL, "custom2");
  RNA_def_property_enum_items(prop, space_frame_items);
  RNA_def_property_ui_text(prop, "Frame Method", "How the image fits in the camera frame");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "offset_x", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom3");
  RNA_def_property_ui_text(prop, "X Offset", "Offset image horizontally (factor of image size)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "offset_y", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom4");
  RNA_def_property_ui_text(prop, "Y Offset", "Offset image vertically (factor of image size)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_rotate(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "filter_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_sampler_type_items);
  RNA_def_property_ui_text(prop, "Filter", "Method to use to filter rotation");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_diff_matte(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeChroma", "storage");

  prop = RNA_def_property(srna, "tolerance", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t1");
  RNA_def_property_float_funcs(prop, NULL, "rna_difference_matte_t1_set", NULL);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Tolerance", "Color distances below this threshold are keyed");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "falloff", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t2");
  RNA_def_property_float_funcs(prop, NULL, "rna_difference_matte_t2_set", NULL);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop, "Falloff", "Color distances below this additional threshold are partially keyed");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_color_matte(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeChroma", "storage");

  prop = RNA_def_property(srna, "color_hue", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t1");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "H", "Hue tolerance for colors to be considered a keying color");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "color_saturation", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t2");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "S", "Saturation Tolerance for the color");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "color_value", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t3");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "V", "Value Tolerance for the color");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_distance_matte(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem color_space_items[] = {
      {1, "RGB", 0, "RGB", "RGB color space"},
      {2, "YCC", 0, "YCC", "YCbCr Suppression"},
      {0, NULL, 0, NULL, NULL},
  };

  RNA_def_struct_sdna_from(srna, "NodeChroma", "storage");

  prop = RNA_def_property(srna, "channel", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "channel");
  RNA_def_property_enum_items(prop, color_space_items);
  RNA_def_property_ui_text(prop, "Channel", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "tolerance", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t1");
  RNA_def_property_float_funcs(prop, NULL, "rna_distance_matte_t1_set", NULL);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Tolerance", "Color distances below this threshold are keyed");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "falloff", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t2");
  RNA_def_property_float_funcs(prop, NULL, "rna_distance_matte_t2_set", NULL);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop, "Falloff", "Color distances below this additional threshold are partially keyed");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_color_spill(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem channel_items[] = {
      {1, "R", 0, "R", "Red Spill Suppression"},
      {2, "G", 0, "G", "Green Spill Suppression"},
      {3, "B", 0, "B", "Blue Spill Suppression"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem limit_channel_items[] = {
      {0, "R", 0, "R", "Limit by Red"},
      {1, "G", 0, "G", "Limit by Green"},
      {2, "B", 0, "B", "Limit by Blue"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem algorithm_items[] = {
      {0, "SIMPLE", 0, "Simple", "Simple Limit Algorithm"},
      {1, "AVERAGE", 0, "Average", "Average Limit Algorithm"},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "channel", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, channel_items);
  RNA_def_property_ui_text(prop, "Channel", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "limit_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom2");
  RNA_def_property_enum_items(prop, algorithm_items);
  RNA_def_property_ui_text(prop, "Algorithm", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeColorspill", "storage");

  prop = RNA_def_property(srna, "limit_channel", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "limchan");
  RNA_def_property_enum_items(prop, limit_channel_items);
  RNA_def_property_ui_text(prop, "Limit Channel", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "ratio", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "limscale");
  RNA_def_property_range(prop, 0.5f, 1.5f);
  RNA_def_property_ui_text(prop, "Ratio", "Scale limit by value");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_unspill", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "unspill", 0);
  RNA_def_property_ui_text(prop, "Unspill", "Compensate all channels (differently) by hand");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "unspill_red", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "uspillr");
  RNA_def_property_range(prop, 0.0f, 1.5f);
  RNA_def_property_ui_text(prop, "R", "Red spillmap scale");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "unspill_green", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "uspillg");
  RNA_def_property_range(prop, 0.0f, 1.5f);
  RNA_def_property_ui_text(prop, "G", "Green spillmap scale");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "unspill_blue", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "uspillb");
  RNA_def_property_range(prop, 0.0f, 1.5f);
  RNA_def_property_ui_text(prop, "B", "Blue spillmap scale");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_luma_matte(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeChroma", "storage");

  prop = RNA_def_property(srna, "limit_max", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t1");
  RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t1_set", NULL);
  RNA_def_property_ui_range(prop, 0, 1, 0.1f, 3);
  RNA_def_property_ui_text(prop, "High", "Values higher than this setting are 100% opaque");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "limit_min", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t2");
  RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t2_set", NULL);
  RNA_def_property_ui_range(prop, 0, 1, 0.1f, 3);
  RNA_def_property_ui_text(prop, "Low", "Values lower than this setting are 100% keyed");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_brightcontrast(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "use_premultiply", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(prop, "Convert Premul", "Keep output image premultiplied alpha");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_chroma_matte(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeChroma", "storage");

  prop = RNA_def_property(srna, "tolerance", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, NULL, "t1");
  RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t1_set", NULL);
  RNA_def_property_range(prop, DEG2RADF(1.0f), DEG2RADF(80.0f));
  RNA_def_property_ui_text(
      prop, "Acceptance", "Tolerance for a color to be considered a keying color");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, NULL, "t2");
  RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t2_set", NULL);
  RNA_def_property_range(prop, 0.0f, DEG2RADF(30.0f));
  RNA_def_property_ui_text(
      prop, "Cutoff", "Tolerance below which colors will be considered as exact matches");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "lift", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fsize");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Lift", "Alpha lift");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "gain", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fstrength");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Falloff", "Alpha falloff");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "shadow_adjust", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t3");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop, "Shadow Adjust", "Adjusts the brightness of any shadows captured");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_channel_matte(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem color_space_items[] = {
      {CMP_NODE_CHANNEL_MATTE_CS_RGB, "RGB", 0, "RGB", "RGB Color Space"},
      {CMP_NODE_CHANNEL_MATTE_CS_HSV, "HSV", 0, "HSV", "HSV Color Space"},
      {CMP_NODE_CHANNEL_MATTE_CS_YUV, "YUV", 0, "YUV", "YUV Color Space"},
      {CMP_NODE_CHANNEL_MATTE_CS_YCC, "YCC", 0, "YCbCr", "YCbCr Color Space"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem algorithm_items[] = {
      {0, "SINGLE", 0, "Single", "Limit by single channel"},
      {1, "MAX", 0, "Max", "Limit by max of other channels "},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "color_space", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, color_space_items);
  RNA_def_property_ui_text(prop, "Color Space", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "matte_channel", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom2");
  RNA_def_property_enum_items(prop, prop_tri_channel_items);
  RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_Node_channel_itemf");
  RNA_def_property_ui_text(prop, "Channel", "Channel used to determine matte");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeChroma", "storage");

  prop = RNA_def_property(srna, "limit_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "algorithm");
  RNA_def_property_enum_items(prop, algorithm_items);
  RNA_def_property_ui_text(prop, "Algorithm", "Algorithm to use to limit channel");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "limit_channel", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "channel");
  RNA_def_property_enum_items(prop, prop_tri_channel_items);
  RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_Node_channel_itemf");
  RNA_def_property_ui_text(prop, "Limit Channel", "Limit by this channel's value");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "limit_max", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t1");
  RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t1_set", NULL);
  RNA_def_property_ui_range(prop, 0, 1, 0.1f, 3);
  RNA_def_property_ui_text(prop, "High", "Values higher than this setting are 100% opaque");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "limit_min", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "t2");
  RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t2_set", NULL);
  RNA_def_property_ui_range(prop, 0, 1, 0.1f, 3);
  RNA_def_property_ui_text(prop, "Low", "Values lower than this setting are 100% keyed");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_flip(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_flip_items);
  RNA_def_property_ui_text(prop, "Axis", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_splitviewer(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom2");
  RNA_def_property_enum_items(prop, rna_enum_axis_xy_items);
  RNA_def_property_ui_text(prop, "Axis", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "factor", PROP_INT, PROP_FACTOR);
  RNA_def_property_int_sdna(prop, NULL, "custom1");
  RNA_def_property_range(prop, 0, 100);
  RNA_def_property_ui_text(prop, "Factor", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_id_mask(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "index", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom1");
  RNA_def_property_range(prop, 0, 32767);
  RNA_def_property_ui_text(prop, "Index", "Pass index number to convert to alpha");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_antialiasing", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom2", 0);
  RNA_def_property_ui_text(prop, "Anti-Aliasing", "Apply an anti-aliasing filter to the mask");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_double_edge_mask(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem BufEdgeMode_items[] = {
      {0, "BLEED_OUT", 0, "Bleed Out", "Allow mask pixels to bleed along edges"},
      {1, "KEEP_IN", 0, "Keep In", "Restrict mask pixels from touching edges"},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem InnerEdgeMode_items[] = {
      {0, "ALL", 0, "All", "All pixels on inner mask edge are considered during mask calculation"},
      {1,
       "ADJACENT_ONLY",
       0,
       "Adjacent Only",
       "Only inner mask pixels adjacent to outer mask pixels are considered during mask "
       "calculation"},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "inner_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, InnerEdgeMode_items);
  RNA_def_property_ui_text(prop, "Inner Edge Mode", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "edge_mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom2");
  RNA_def_property_enum_items(prop, BufEdgeMode_items);
  RNA_def_property_ui_text(prop, "Buffer Edge Mode", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_map_uv(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "alpha", PROP_INT, PROP_FACTOR);
  RNA_def_property_int_sdna(prop, NULL, "custom1");
  RNA_def_property_range(prop, 0, 100);
  RNA_def_property_ui_text(prop, "Alpha", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_defocus(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem bokeh_items[] = {
      {8, "OCTAGON", 0, "Octagonal", "8 sides"},
      {7, "HEPTAGON", 0, "Heptagonal", "7 sides"},
      {6, "HEXAGON", 0, "Hexagonal", "6 sides"},
      {5, "PENTAGON", 0, "Pentagonal", "5 sides"},
      {4, "SQUARE", 0, "Square", "4 sides"},
      {3, "TRIANGLE", 0, "Triangular", "3 sides"},
      {0, "CIRCLE", 0, "Circular", ""},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "scene", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_pointer_funcs(prop, NULL, "rna_Node_scene_set", NULL, NULL);
  RNA_def_property_struct_type(prop, "Scene");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
  RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  RNA_def_property_ui_text(
      prop, "Scene", "Scene from which to select the active camera (render scene if undefined)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeDefocus", "storage");

  prop = RNA_def_property(srna, "bokeh", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "bktype");
  RNA_def_property_enum_items(prop, bokeh_items);
  RNA_def_property_ui_text(prop, "Bokeh Type", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "angle", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, NULL, "rotation");
  RNA_def_property_range(prop, 0.0f, DEG2RADF(90.0f));
  RNA_def_property_ui_text(prop, "Angle", "Bokeh shape rotation offset");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_gamma_correction", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "gamco", 1);
  RNA_def_property_ui_text(
      prop, "Gamma Correction", "Enable gamma correction before and after main process");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  /* TODO */
  prop = RNA_def_property(srna, "f_stop", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fstop");
  RNA_def_property_range(prop, 0.0f, 128.0f);
  RNA_def_property_ui_text(
      prop,
      "F-stop",
      "Amount of focal blur, 128=infinity=perfect focus, half the value doubles "
      "the blur radius");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "blur_max", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "maxblur");
  RNA_def_property_range(prop, 0.0f, 10000.0f);
  RNA_def_property_ui_text(prop, "Max Blur", "Blur limit, maximum CoC radius");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "bthresh");
  RNA_def_property_range(prop, 0.0f, 100.0f);
  RNA_def_property_ui_text(
      prop,
      "Threshold",
      "CoC radius threshold, prevents background bleed on in-focus midground, 0=off");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_preview", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "preview", 1);
  RNA_def_property_ui_text(prop, "Preview", "Enable low quality mode, useful for preview");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_zbuffer", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "no_zbuf", 1);
  RNA_def_property_ui_text(prop,
                           "Use Z-Buffer",
                           "Disable when using an image as input instead of actual z-buffer "
                           "(auto enabled if node not image based, eg. time node)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "z_scale", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "scale");
  RNA_def_property_range(prop, 0.0f, 1000.0f);
  RNA_def_property_ui_text(
      prop,
      "Z-Scale",
      "Scale the Z input when not using a z-buffer, controls maximum blur designated "
      "by the color white or input value 1");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_invert(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "invert_rgb", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", CMP_CHAN_RGB);
  RNA_def_property_ui_text(prop, "RGB", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "invert_alpha", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", CMP_CHAN_A);
  RNA_def_property_ui_text(prop, "Alpha", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_crop(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "use_crop_size", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_ui_text(prop, "Crop Image Size", "Whether to crop the size of the input image");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "relative", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom2", 1);
  RNA_def_property_ui_text(prop, "Relative", "Use relative values to crop image");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeTwoXYs", "storage");

  prop = RNA_def_property(srna, "min_x", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "x1");
  RNA_def_property_range(prop, 0, 10000);
  RNA_def_property_ui_text(prop, "X1", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "max_x", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "x2");
  RNA_def_property_range(prop, 0, 10000);
  RNA_def_property_ui_text(prop, "X2", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "min_y", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "y1");
  RNA_def_property_range(prop, 0, 10000);
  RNA_def_property_ui_text(prop, "Y1", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "max_y", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "y2");
  RNA_def_property_range(prop, 0, 10000);
  RNA_def_property_ui_text(prop, "Y2", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "rel_min_x", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fac_x1");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "X1", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "rel_max_x", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fac_x2");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "X2", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "rel_min_y", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fac_y1");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Y1", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "rel_max_y", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fac_y2");
  RNA_def_property_range(prop, 0.0, 1.0);
  RNA_def_property_ui_text(prop, "Y2", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_dblur(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeDBlurData", "storage");

  prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "iter");
  RNA_def_property_range(prop, 1, 32);
  RNA_def_property_ui_text(prop, "Iterations", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_wrap", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "wrap", 1);
  RNA_def_property_ui_text(prop, "Wrap", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "center_x", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "center_x");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Center X", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "center_y", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "center_y");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Center Y", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "distance", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "distance");
  RNA_def_property_range(prop, -1.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Distance", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "angle", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, NULL, "angle");
  RNA_def_property_range(prop, 0.0f, DEG2RADF(360.0f));
  RNA_def_property_ui_text(prop, "Angle", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "spin", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, NULL, "spin");
  RNA_def_property_range(prop, DEG2RADF(-360.0f), DEG2RADF(360.0f));
  RNA_def_property_ui_text(prop, "Spin", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "zoom", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "zoom");
  RNA_def_property_range(prop, 0.0f, 100.0f);
  RNA_def_property_ui_text(prop, "Zoom", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_bilateral_blur(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeBilateralBlurData", "storage");

  prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "iter");
  RNA_def_property_range(prop, 1, 128);
  RNA_def_property_ui_text(prop, "Iterations", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "sigma_color", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "sigma_color");
  RNA_def_property_range(prop, 0.01f, 3.0f);
  RNA_def_property_ui_text(prop, "Color Sigma", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "sigma_space", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "sigma_space");
  RNA_def_property_range(prop, 0.01f, 30.0f);
  RNA_def_property_ui_text(prop, "Space Sigma", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_premul_key(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem type_items[] = {
      {0, "STRAIGHT_TO_PREMUL", 0, "Straight to Premul", ""},
      {1, "PREMUL_TO_STRAIGHT", 0, "Premul to Straight", ""},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "mapping", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, type_items);
  RNA_def_property_ui_text(
      prop, "Mapping", "Conversion between premultiplied alpha and key alpha");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_glare(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem type_items[] = {
      {3, "GHOSTS", 0, "Ghosts", ""},
      {2, "STREAKS", 0, "Streaks", ""},
      {1, "FOG_GLOW", 0, "Fog Glow", ""},
      {0, "SIMPLE_STAR", 0, "Simple Star", ""},
      {0, NULL, 0, NULL, NULL},
  };

  static const EnumPropertyItem quality_items[] = {
      {0, "HIGH", 0, "High", ""},
      {1, "MEDIUM", 0, "Medium", ""},
      {2, "LOW", 0, "Low", ""},
      {0, NULL, 0, NULL, NULL},
  };

  RNA_def_struct_sdna_from(srna, "NodeGlare", "storage");

  prop = RNA_def_property(srna, "glare_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "type");
  RNA_def_property_enum_items(prop, type_items);
  RNA_def_property_ui_text(prop, "Glare Type", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "quality", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "quality");
  RNA_def_property_enum_items(prop, quality_items);
  RNA_def_property_ui_text(
      prop,
      "Quality",
      "If not set to high quality, the effect will be applied to a low-res copy "
      "of the source image");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "iterations", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "iter");
  RNA_def_property_range(prop, 2, 5);
  RNA_def_property_ui_text(prop, "Iterations", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "color_modulation", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "colmod");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop,
      "Color Modulation",
      "Amount of Color Modulation, modulates colors of streaks and ghosts for "
      "a spectral dispersion effect");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "mix", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "mix");
  RNA_def_property_range(prop, -1.0f, 1.0f);
  RNA_def_property_ui_text(
      prop, "Mix", "-1 is original image only, 0 is exact 50/50 mix, 1 is processed image only");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "threshold");
  RNA_def_property_range(prop, 0.0f, 1000.0f);
  RNA_def_property_ui_text(
      prop,
      "Threshold",
      "The glare filter will only be applied to pixels brighter than this value");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "streaks", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "streaks");
  RNA_def_property_range(prop, 1, 16);
  RNA_def_property_ui_text(prop, "Streaks", "Total number of streaks");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "angle_offset", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, NULL, "angle_ofs");
  RNA_def_property_range(prop, 0.0f, DEG2RADF(180.0f));
  RNA_def_property_ui_text(prop, "Angle Offset", "Streak angle offset");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "fade", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "fade");
  RNA_def_property_range(prop, 0.75f, 1.0f);
  RNA_def_property_ui_text(prop, "Fade", "Streak fade-out factor");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_rotate_45", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "star_45", 0);
  RNA_def_property_ui_text(prop, "Rotate 45", "Simple star filter: add 45 degree rotation offset");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "size", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "size");
  RNA_def_property_range(prop, 6, 9);
  RNA_def_property_ui_text(
      prop,
      "Size",
      "Glow/glare size (not actual size; relative to initial size of bright area of pixels)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  /* TODO */
}

static void def_cmp_tonemap(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem type_items[] = {
      {1, "RD_PHOTORECEPTOR", 0, "R/D Photoreceptor", ""},
      {0, "RH_SIMPLE", 0, "Rh Simple", ""},
      {0, NULL, 0, NULL, NULL},
  };

  RNA_def_struct_sdna_from(srna, "NodeTonemap", "storage");

  prop = RNA_def_property(srna, "tonemap_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "type");
  RNA_def_property_enum_items(prop, type_items);
  RNA_def_property_ui_text(prop, "Tonemap Type", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "key", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "key");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Key", "The value the average luminance is mapped to");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "offset");
  RNA_def_property_range(prop, 0.001f, 10.0f);
  RNA_def_property_ui_text(
      prop,
      "Offset",
      "Normally always 1, but can be used as an extra control to alter the brightness curve");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "gamma", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "gamma");
  RNA_def_property_range(prop, 0.001f, 3.0f);
  RNA_def_property_ui_text(prop, "Gamma", "If not used, set to 1");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "intensity", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "f");
  RNA_def_property_range(prop, -8.0f, 8.0f);
  RNA_def_property_ui_text(
      prop, "Intensity", "If less than zero, darkens image; otherwise, makes it brighter");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "contrast", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "m");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Contrast", "Set to 0 to use estimate from input image");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "adaptation", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "a");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Adaptation", "If 0, global; if 1, based on pixel intensity");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "correction", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "c");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop, "Color Correction", "If 0, same for all channels; if 1, each independent");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_lensdist(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeLensDist", "storage");

  prop = RNA_def_property(srna, "use_projector", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "proj", 1);
  RNA_def_property_ui_text(
      prop,
      "Projector",
      "Enable/disable projector mode (the effect is applied in horizontal direction only)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_jitter", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "jit", 1);
  RNA_def_property_ui_text(prop, "Jitter", "Enable/disable jittering (faster, but also noisier)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_fit", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "fit", 1);
  RNA_def_property_ui_text(
      prop,
      "Fit",
      "For positive distortion factor only: scale image such that black areas are not visible");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_colorbalance(StructRNA *srna)
{
  PropertyRNA *prop;
  static float default_1[3] = {1.f, 1.f, 1.f};

  static const EnumPropertyItem type_items[] = {
      {0, "LIFT_GAMMA_GAIN", 0, "Lift/Gamma/Gain", ""},
      {1,
       "OFFSET_POWER_SLOPE",
       0,
       "Offset/Power/Slope (ASC-CDL)",
       "ASC-CDL standard color correction"},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "correction_method", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, type_items);
  RNA_def_property_ui_text(prop, "Correction Formula", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeColorBalance", "storage");

  prop = RNA_def_property(srna, "lift", PROP_FLOAT, PROP_COLOR_GAMMA);
  RNA_def_property_float_sdna(prop, NULL, "lift");
  RNA_def_property_array(prop, 3);
  RNA_def_property_float_array_default(prop, default_1);
  RNA_def_property_ui_range(prop, 0, 2, 0.1, 3);
  RNA_def_property_ui_text(prop, "Lift", "Correction for Shadows");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeColorBalance_update_lgg");

  prop = RNA_def_property(srna, "gamma", PROP_FLOAT, PROP_COLOR_GAMMA);
  RNA_def_property_float_sdna(prop, NULL, "gamma");
  RNA_def_property_array(prop, 3);
  RNA_def_property_float_array_default(prop, default_1);
  RNA_def_property_ui_range(prop, 0, 2, 0.1, 3);
  RNA_def_property_ui_text(prop, "Gamma", "Correction for Midtones");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeColorBalance_update_lgg");

  prop = RNA_def_property(srna, "gain", PROP_FLOAT, PROP_COLOR_GAMMA);
  RNA_def_property_float_sdna(prop, NULL, "gain");
  RNA_def_property_array(prop, 3);
  RNA_def_property_float_array_default(prop, default_1);
  RNA_def_property_ui_range(prop, 0, 2, 0.1, 3);
  RNA_def_property_ui_text(prop, "Gain", "Correction for Highlights");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeColorBalance_update_lgg");

  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_COLOR_GAMMA);
  RNA_def_property_float_sdna(prop, NULL, "offset");
  RNA_def_property_array(prop, 3);
  RNA_def_property_ui_range(prop, 0, 1, 0.1, 3);
  RNA_def_property_ui_text(prop, "Offset", "Correction for Shadows");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeColorBalance_update_cdl");

  prop = RNA_def_property(srna, "power", PROP_FLOAT, PROP_COLOR_GAMMA);
  RNA_def_property_float_sdna(prop, NULL, "power");
  RNA_def_property_array(prop, 3);
  RNA_def_property_float_array_default(prop, default_1);
  RNA_def_property_range(prop, 0.f, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 2, 0.1, 3);
  RNA_def_property_ui_text(prop, "Power", "Correction for Midtones");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeColorBalance_update_cdl");

  prop = RNA_def_property(srna, "slope", PROP_FLOAT, PROP_COLOR_GAMMA);
  RNA_def_property_float_sdna(prop, NULL, "slope");
  RNA_def_property_array(prop, 3);
  RNA_def_property_float_array_default(prop, default_1);
  RNA_def_property_range(prop, 0.f, FLT_MAX);
  RNA_def_property_ui_range(prop, 0, 2, 0.1, 3);
  RNA_def_property_ui_text(prop, "Slope", "Correction for Highlights");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeColorBalance_update_cdl");

  prop = RNA_def_property(srna, "offset_basis", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_range(prop, -1.0, 1.0, 1.0, 2);
  RNA_def_property_ui_text(prop, "Basis", "Support negative color by using this as the RGB basis");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeColorBalance_update_cdl");
}

static void def_cmp_huecorrect(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "mapping", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "storage");
  RNA_def_property_struct_type(prop, "CurveMapping");
  RNA_def_property_ui_text(prop, "Mapping", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_zcombine(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "use_alpha", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 0);
  RNA_def_property_ui_text(
      prop, "Use Alpha", "Take Alpha channel into account when doing the Z operation");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_antialias_z", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "custom2", 0);
  RNA_def_property_ui_text(
      prop,
      "Anti-Alias Z",
      "Anti-alias the z-buffer to try to avoid artifacts, mostly useful for Blender renders");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_ycc(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "mode", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_ycc_items);
  RNA_def_property_ui_text(prop, "Mode", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_movieclip(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "clip", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "MovieClip");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Movie Clip", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "MovieClipUser", "storage");
}

static void def_cmp_stabilize2d(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "clip", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "MovieClip");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Movie Clip", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "filter_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_sampler_type_items);
  RNA_def_property_ui_text(prop, "Filter", "Method to use to filter stabilization");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "invert", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom2", CMP_NODEFLAG_STABILIZE_INVERSE);
  RNA_def_property_ui_text(
      prop, "Invert", "Invert stabilization to re-introduce motion to the frame");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_moviedistortion(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem distortion_type_items[] = {
      {0, "UNDISTORT", 0, "Undistort", ""},
      {1, "DISTORT", 0, "Distort", ""},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "clip", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "MovieClip");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Movie Clip", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "distortion_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, distortion_type_items);
  RNA_def_property_ui_text(prop, "Distortion", "Distortion to use to filter image");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_mask(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem aspect_type_items[] = {
      {0, "SCENE", 0, "Scene Size", ""},
      {CMP_NODEFLAG_MASK_FIXED, "FIXED", 0, "Fixed", "Use pixel size for the buffer"},
      {CMP_NODEFLAG_MASK_FIXED_SCENE,
       "FIXED_SCENE",
       0,
       "Fixed/Scene",
       "Pixel size scaled by scene percentage"},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "mask", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Mask");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Mask", "");

  prop = RNA_def_property(srna, "use_feather", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "custom1", CMP_NODEFLAG_MASK_NO_FEATHER);
  RNA_def_property_ui_text(prop, "Feather", "Use feather information from the mask");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_motion_blur", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", CMP_NODEFLAG_MASK_MOTION_BLUR);
  RNA_def_property_ui_text(prop, "Motion Blur", "Use multi-sampled motion blur of the mask");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "motion_blur_samples", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom2");
  RNA_def_property_range(prop, 1, CMP_NODE_MASK_MBLUR_SAMPLES_MAX);
  RNA_def_property_ui_text(prop, "Samples", "Number of motion blur samples");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "motion_blur_shutter", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom3");
  RNA_def_property_range(prop, 0.0, 1.0f);
  RNA_def_property_ui_text(prop, "Shutter", "Exposure for motion blur as a factor of FPS");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "size_source", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_bitflag_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, aspect_type_items);
  RNA_def_property_ui_text(
      prop, "Size Source", "Where to get the mask size from for aspect/size information");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeMask", "storage");

  prop = RNA_def_property(srna, "size_x", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1.0f, 10000.0f);
  RNA_def_property_ui_text(prop, "X", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "size_y", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1.0f, 10000.0f);
  RNA_def_property_ui_text(prop, "Y", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void dev_cmd_transform(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "filter_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_sampler_type_items);
  RNA_def_property_ui_text(prop, "Filter", "Method to use to filter transform");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

/* -- Compositor Nodes ------------------------------------------------------ */

static const EnumPropertyItem node_masktype_items[] = {
    {0, "ADD", 0, "Add", ""},
    {1, "SUBTRACT", 0, "Subtract", ""},
    {2, "MULTIPLY", 0, "Multiply", ""},
    {3, "NOT", 0, "Not", ""},
    {0, NULL, 0, NULL, NULL},
};

static void def_cmp_boxmask(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "mask_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_masktype_items);
  RNA_def_property_ui_text(prop, "Mask type", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeBoxMask", "storage");

  prop = RNA_def_property(srna, "x", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "x");
  RNA_def_property_float_default(prop, 0.5f);
  RNA_def_property_range(prop, -1.0f, 2.0f);
  RNA_def_property_ui_text(prop, "X", "X position of the middle of the box");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "y", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "y");
  RNA_def_property_float_default(prop, 0.5f);
  RNA_def_property_range(prop, -1.0f, 2.0f);
  RNA_def_property_ui_text(prop, "Y", "Y position of the middle of the box");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "width", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "width");
  RNA_def_property_float_default(prop, 0.3f);
  RNA_def_property_range(prop, 0.0f, 2.0f);
  RNA_def_property_ui_text(prop, "Width", "Width of the box");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "height", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "height");
  RNA_def_property_float_default(prop, 0.2f);
  RNA_def_property_range(prop, 0.0f, 2.0f);
  RNA_def_property_ui_text(prop, "Height", "Height of the box");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, NULL, "rotation");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, DEG2RADF(-1800.0f), DEG2RADF(1800.0f));
  RNA_def_property_ui_text(prop, "Rotation", "Rotation angle of the box");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_ellipsemask(StructRNA *srna)
{
  PropertyRNA *prop;
  prop = RNA_def_property(srna, "mask_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, node_masktype_items);
  RNA_def_property_ui_text(prop, "Mask type", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeEllipseMask", "storage");

  prop = RNA_def_property(srna, "x", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "x");
  RNA_def_property_float_default(prop, 0.5f);
  RNA_def_property_range(prop, -1.0f, 2.0f);
  RNA_def_property_ui_text(prop, "X", "X position of the middle of the ellipse");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "y", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "y");
  RNA_def_property_float_default(prop, 0.5f);
  RNA_def_property_range(prop, -1.0f, 2.0f);
  RNA_def_property_ui_text(prop, "Y", "Y position of the middle of the ellipse");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "width", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "width");
  RNA_def_property_float_default(prop, 0.3f);
  RNA_def_property_range(prop, 0.0f, 2.0f);
  RNA_def_property_ui_text(prop, "Width", "Width of the ellipse");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "height", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "height");
  RNA_def_property_float_default(prop, 0.2f);
  RNA_def_property_range(prop, 0.0f, 2.0f);
  RNA_def_property_ui_text(prop, "Height", "Height of the ellipse");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "rotation", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, NULL, "rotation");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, DEG2RADF(-1800.0f), DEG2RADF(1800.0f));
  RNA_def_property_ui_text(prop, "Rotation", "Rotation angle of the ellipse");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_bokehblur(StructRNA *srna)
{
  PropertyRNA *prop;

  /* duplicated in def_cmp_blur */
  prop = RNA_def_property(srna, "use_variable_size", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", CMP_NODEFLAG_BLUR_VARIABLE_SIZE);
  RNA_def_property_ui_text(
      prop, "Variable Size", "Support variable blur per-pixel when using an image for size input");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_extended_bounds", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", CMP_NODEFLAG_BLUR_EXTEND_BOUNDS);
  RNA_def_property_ui_text(
      prop, "Extend Bounds", "Extend bounds of the input image to fully fit blurred image");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

#  if 0
  prop = RNA_def_property(srna, "f_stop", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom3");
  RNA_def_property_range(prop, 0.0f, 128.0f);
  RNA_def_property_ui_text(
      prop,
      "F-stop",
      "Amount of focal blur, 128=infinity=perfect focus, half the value doubles "
      "the blur radius");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
#  endif

  prop = RNA_def_property(srna, "blur_max", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom4");
  RNA_def_property_range(prop, 0.0f, 10000.0f);
  RNA_def_property_ui_text(prop, "Max Blur", "Blur limit, maximum CoC radius");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_bokehimage(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeBokehImage", "storage");

  prop = RNA_def_property(srna, "angle", PROP_FLOAT, PROP_ANGLE);
  RNA_def_property_float_sdna(prop, NULL, "angle");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, DEG2RADF(-720.0f), DEG2RADF(720.0f));
  RNA_def_property_ui_text(prop, "Angle", "Angle of the bokeh");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "flaps", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "flaps");
  RNA_def_property_int_default(prop, 5);
  RNA_def_property_range(prop, 3, 24);
  RNA_def_property_ui_text(prop, "Flaps", "Number of flaps");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "rounding", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "rounding");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, -0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Rounding", "Level of rounding of the bokeh");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "catadioptric", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "catadioptric");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, -0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Catadioptric", "Level of catadioptric of the bokeh");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "shift", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "lensshift");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, -1.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Lens shift", "Shift of the lens components");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_switch(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "check", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 0);
  RNA_def_property_ui_text(prop, "Switch", "Off: first socket, On: second socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_switch_view(StructRNA *UNUSED(srna))
{
}

static void def_cmp_colorcorrection(StructRNA *srna)
{
  PropertyRNA *prop;
  prop = RNA_def_property(srna, "red", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
  RNA_def_property_boolean_default(prop, true);
  RNA_def_property_ui_text(prop, "Red", "Red channel active");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "green", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 2);
  RNA_def_property_boolean_default(prop, true);
  RNA_def_property_ui_text(prop, "Green", "Green channel active");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "blue", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "custom1", 4);
  RNA_def_property_boolean_default(prop, true);
  RNA_def_property_ui_text(prop, "Blue", "Blue channel active");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeColorCorrection", "storage");

  prop = RNA_def_property(srna, "midtones_start", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "startmidtones");
  RNA_def_property_float_default(prop, 0.2f);
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Midtones Start", "Start of midtones");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "midtones_end", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "endmidtones");
  RNA_def_property_float_default(prop, 0.7f);
  RNA_def_property_range(prop, 0, 1);
  RNA_def_property_ui_text(prop, "Midtones End", "End of midtones");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "master_saturation", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "master.saturation");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Master Saturation", "Master saturation");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "master_contrast", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "master.contrast");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Master Contrast", "Master contrast");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "master_gamma", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "master.gamma");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Master Gamma", "Master gamma");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "master_gain", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "master.gain");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Master Gain", "Master gain");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "master_lift", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "master.lift");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, -1, 1);
  RNA_def_property_ui_text(prop, "Master Lift", "Master lift");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  //
  prop = RNA_def_property(srna, "shadows_saturation", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "shadows.saturation");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Shadows Saturation", "Shadows saturation");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "shadows_contrast", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "shadows.contrast");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Shadows Contrast", "Shadows contrast");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "shadows_gamma", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "shadows.gamma");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Shadows Gamma", "Shadows gamma");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "shadows_gain", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "shadows.gain");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Shadows Gain", "Shadows gain");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "shadows_lift", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "shadows.lift");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, -1, 1);
  RNA_def_property_ui_text(prop, "Shadows Lift", "Shadows lift");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
  //
  prop = RNA_def_property(srna, "midtones_saturation", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "midtones.saturation");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Midtones Saturation", "Midtones saturation");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "midtones_contrast", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "midtones.contrast");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Midtones Contrast", "Midtones contrast");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "midtones_gamma", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "midtones.gamma");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Midtones Gamma", "Midtones gamma");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "midtones_gain", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "midtones.gain");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Midtones Gain", "Midtones gain");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "midtones_lift", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "midtones.lift");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, -1, 1);
  RNA_def_property_ui_text(prop, "Midtones Lift", "Midtones lift");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
  //
  prop = RNA_def_property(srna, "highlights_saturation", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "highlights.saturation");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Highlights Saturation", "Highlights saturation");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "highlights_contrast", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "highlights.contrast");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Highlights Contrast", "Highlights contrast");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "highlights_gamma", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "highlights.gamma");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Highlights Gamma", "Highlights gamma");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "highlights_gain", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "highlights.gain");
  RNA_def_property_float_default(prop, 1.0f);
  RNA_def_property_range(prop, 0, 4);
  RNA_def_property_ui_text(prop, "Highlights Gain", "Highlights gain");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "highlights_lift", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "highlights.lift");
  RNA_def_property_float_default(prop, 0.0f);
  RNA_def_property_range(prop, -1, 1);
  RNA_def_property_ui_text(prop, "Highlights Lift", "Highlights lift");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_viewer(StructRNA *srna)
{
  PropertyRNA *prop;
  static const EnumPropertyItem tileorder_items[] = {
      {0, "CENTEROUT", 0, "Center", "Expand from center"},
      {1, "RANDOM", 0, "Random", "Random tiles"},
      {2, "BOTTOMUP", 0, "Bottom up", "Expand from bottom"},
      {3, "RULE_OF_THIRDS", 0, "Rule of thirds", "Expand from 9 places"},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "tile_order", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, tileorder_items);
  RNA_def_property_ui_text(prop, "Tile order", "Tile order");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "center_x", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom3");
  RNA_def_property_float_default(prop, 0.5f);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "X", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "center_y", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom4");
  RNA_def_property_float_default(prop, 0.5f);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Y", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_alpha", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "custom2", CMP_NODE_OUTPUT_IGNORE_ALPHA);
  RNA_def_property_ui_text(
      prop,
      "Use Alpha",
      "Colors are treated alpha premultiplied, or colors output straight (alpha gets set to 1)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_composite(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "use_alpha", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "custom2", CMP_NODE_OUTPUT_IGNORE_ALPHA);
  RNA_def_property_ui_text(
      prop,
      "Use Alpha",
      "Colors are treated alpha premultiplied, or colors output straight (alpha gets set to 1)");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_keyingscreen(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "clip", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "MovieClip");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Movie Clip", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeKeyingScreenData", "storage");

  prop = RNA_def_property(srna, "tracking_object", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "tracking_object");
  RNA_def_property_ui_text(prop, "Tracking Object", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_keying(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeKeyingData", "storage");

  prop = RNA_def_property(srna, "screen_balance", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, NULL, "screen_balance");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop,
      "Screen Balance",
      "Balance between two non-primary channels primary channel is comparing against");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "despill_factor", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, NULL, "despill_factor");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Despill Factor", "Factor of despilling screen color from image");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "despill_balance", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, NULL, "despill_balance");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop,
      "Despill Balance",
      "Balance between non-key colors used to detect amount of key color to be removed");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "clip_black", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, NULL, "clip_black");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop,
      "Clip Black",
      "Value of non-scaled matte pixel which considers as fully background pixel");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "clip_white", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, NULL, "clip_white");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop,
      "Clip White",
      "Value of non-scaled matte pixel which considers as fully foreground pixel");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "blur_pre", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "blur_pre");
  RNA_def_property_range(prop, 0, 2048);
  RNA_def_property_ui_text(
      prop, "Pre Blur", "Chroma pre-blur size which applies before running keyer");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "blur_post", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "blur_post");
  RNA_def_property_range(prop, 0, 2048);
  RNA_def_property_ui_text(
      prop, "Post Blur", "Matte blur size which applies after clipping and dilate/eroding");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "dilate_distance", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "dilate_distance");
  RNA_def_property_range(prop, -100, 100);
  RNA_def_property_ui_text(prop, "Dilate/Erode", "Matte dilate/erode side");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "edge_kernel_radius", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "edge_kernel_radius");
  RNA_def_property_range(prop, 0, 100);
  RNA_def_property_ui_text(
      prop, "Edge Kernel Radius", "Radius of kernel used to detect whether pixel belongs to edge");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "edge_kernel_tolerance", PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_sdna(prop, NULL, "edge_kernel_tolerance");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(
      prop,
      "Edge Kernel Tolerance",
      "Tolerance to pixels inside kernel which are treating as belonging to the same plane");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "feather_falloff", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "feather_falloff");
  RNA_def_property_enum_items(prop, rna_enum_proportional_falloff_curve_only_items);
  RNA_def_property_ui_text(prop, "Feather Falloff", "Falloff type the feather");
  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_CURVE); /* Abusing id_curve :/ */
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "feather_distance", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "feather_distance");
  RNA_def_property_range(prop, -100, 100);
  RNA_def_property_ui_text(prop, "Feather Distance", "Distance to grow/shrink the feather");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_trackpos(StructRNA *srna)
{
  PropertyRNA *prop;

  static const EnumPropertyItem position_items[] = {
      {CMP_TRACKPOS_ABSOLUTE, "ABSOLUTE", 0, "Absolute", "Output absolute position of a marker"},
      {CMP_TRACKPOS_RELATIVE_START,
       "RELATIVE_START",
       0,
       "Relative Start",
       "Output position of a marker relative to first marker of a track"},
      {CMP_TRACKPOS_RELATIVE_FRAME,
       "RELATIVE_FRAME",
       0,
       "Relative Frame",
       "Output position of a marker relative to marker at given frame number"},
      {CMP_TRACKPOS_ABSOLUTE_FRAME,
       "ABSOLUTE_FRAME",
       0,
       "Absolute Frame",
       "Output absolute position of a marker at given frame number"},
      {0, NULL, 0, NULL, NULL},
  };

  prop = RNA_def_property(srna, "clip", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "MovieClip");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Movie Clip", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "position", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "custom1");
  RNA_def_property_enum_items(prop, position_items);
  RNA_def_property_ui_text(prop, "Position", "Which marker position to use for output");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "frame_relative", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom2");
  RNA_def_property_ui_text(prop, "Frame", "Frame to be used for relative position");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodeTrackPosData", "storage");

  prop = RNA_def_property(srna, "tracking_object", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "tracking_object");
  RNA_def_property_ui_text(prop, "Tracking Object", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "track_name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "track_name");
  RNA_def_property_ui_text(prop, "Track", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_translate(StructRNA *srna)
{
  static const EnumPropertyItem translate_items[] = {
      {CMP_NODE_WRAP_NONE, "NONE", 0, "None", "No wrapping on X and Y"},
      {CMP_NODE_WRAP_X, "XAXIS", 0, "X Axis", "Wrap all pixels on the X axis"},
      {CMP_NODE_WRAP_Y, "YAXIS", 0, "Y Axis", "Wrap all pixels on the Y axis"},
      {CMP_NODE_WRAP_XY, "BOTH", 0, "Both Axes", "Wrap all pixels on both axes"},
      {0, NULL, 0, NULL, NULL},
  };

  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeTranslateData", "storage");

  prop = RNA_def_property(srna, "use_relative", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "relative", 1);
  RNA_def_property_ui_text(
      prop,
      "Relative",
      "Use relative (fraction of input image size) values to define translation");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "wrap_axis", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "wrap_axis");
  RNA_def_property_enum_items(prop, translate_items);
  RNA_def_property_ui_text(prop, "Wrapping", "Wrap image on a specific axis");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_planetrackdeform(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "clip", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "MovieClip");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Movie Clip", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  RNA_def_struct_sdna_from(srna, "NodePlaneTrackDeformData", "storage");

  prop = RNA_def_property(srna, "tracking_object", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "tracking_object");
  RNA_def_property_ui_text(prop, "Tracking Object", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "plane_track_name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "plane_track_name");
  RNA_def_property_ui_text(prop, "Plane Track", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "use_motion_blur", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", CMP_NODEFLAG_PLANETRACKDEFORM_MOTION_BLUR);
  RNA_def_property_ui_text(prop, "Motion Blur", "Use multi-sampled motion blur of the mask");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "motion_blur_samples", PROP_INT, PROP_NONE);
  RNA_def_property_range(prop, 1, CMP_NODE_PLANETRACKDEFORM_MBLUR_SAMPLES_MAX);
  RNA_def_property_ui_text(prop, "Samples", "Number of motion blur samples");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "motion_blur_shutter", PROP_FLOAT, PROP_NONE);
  RNA_def_property_range(prop, 0.0, 1.0f);
  RNA_def_property_ui_text(prop, "Shutter", "Exposure for motion blur as a factor of FPS");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_sunbeams(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeSunBeams", "storage");

  prop = RNA_def_property(srna, "source", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "source");
  RNA_def_property_range(prop, -100.0f, 100.0f);
  RNA_def_property_ui_range(prop, -10.0f, 10.0f, 10, 3);
  RNA_def_property_ui_text(
      prop, "Source", "Source point of rays as a factor of the image width & height");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "ray_length", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, NULL, "ray_length");
  RNA_def_property_range(prop, 0.0f, 100.0f);
  RNA_def_property_ui_range(prop, 0.0f, 1.0f, 10, 3);
  RNA_def_property_ui_text(prop, "Ray Length", "Length of rays as a factor of the image size");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_cmp_cryptomatte(StructRNA *srna)
{
  PropertyRNA *prop;
  static float default_1[3] = {1.f, 1.f, 1.f};

  RNA_def_struct_sdna_from(srna, "NodeCryptomatte", "storage");
  prop = RNA_def_property(srna, "matte_id", PROP_STRING, PROP_NONE);
  RNA_def_property_string_funcs(prop,
                                "rna_NodeCryptomatte_matte_get",
                                "rna_NodeCryptomatte_matte_length",
                                "rna_NodeCryptomatte_matte_set");
  RNA_def_property_ui_text(
      prop, "Matte Objects", "List of object and material crypto IDs to include in matte");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "add", PROP_FLOAT, PROP_COLOR);
  RNA_def_property_float_array_default(prop, default_1);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_text(
      prop, "Add", "Add object or material to matte, by picking a color from the Pick output");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeCryptomatte_update_add");

  prop = RNA_def_property(srna, "remove", PROP_FLOAT, PROP_COLOR);
  RNA_def_property_float_array_default(prop, default_1);
  RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
  RNA_def_property_ui_text(
      prop,
      "Remove",
      "Remove object or material from matte, by picking a color from the Pick output");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeCryptomatte_update_remove");
}

static void def_cmp_denoise(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "NodeDenoise", "storage");

  prop = RNA_def_property(srna, "use_hdr", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "hdr", 0);
  RNA_def_property_ui_text(prop, "HDR", "Process HDR images");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

/* -- Texture Nodes --------------------------------------------------------- */

static void def_tex_output(StructRNA *srna)
{
  PropertyRNA *prop;

  RNA_def_struct_sdna_from(srna, "TexNodeOutput", "storage");

  prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "name");
  RNA_def_property_ui_text(prop, "Output Name", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_tex_image(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "image", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "id");
  RNA_def_property_struct_type(prop, "Image");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Image", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "image_user", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "storage");
  RNA_def_property_struct_type(prop, "ImageUser");
  RNA_def_property_ui_text(
      prop, "Image User", "Parameters defining the image duration, offset and related settings");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

static void def_tex_bricks(StructRNA *srna)
{
  PropertyRNA *prop;

  prop = RNA_def_property(srna, "offset", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom3");
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Offset Amount", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "offset_frequency", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom1");
  RNA_def_property_range(prop, 2, 99);
  RNA_def_property_ui_text(prop, "Offset Frequency", "Offset every N rows");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "squash", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "custom4");
  RNA_def_property_range(prop, 0.0f, 99.0f);
  RNA_def_property_ui_text(prop, "Squash Amount", "");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "squash_frequency", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "custom2");
  RNA_def_property_range(prop, 2, 99);
  RNA_def_property_ui_text(prop, "Squash Frequency", "Squash every N rows");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
}

/* -------------------------------------------------------------------------- */

static void rna_def_shader_node(BlenderRNA *brna)
{
  StructRNA *srna;

  srna = RNA_def_struct(brna, "ShaderNode", "NodeInternal");
  RNA_def_struct_ui_text(srna, "Shader Node", "Material shader node");
  RNA_def_struct_sdna(srna, "bNode");
  RNA_def_struct_register_funcs(srna, "rna_ShaderNode_register", "rna_Node_unregister", NULL);
}

static void rna_def_compositor_node(BlenderRNA *brna)
{
  StructRNA *srna;
  FunctionRNA *func;

  srna = RNA_def_struct(brna, "CompositorNode", "NodeInternal");
  RNA_def_struct_ui_text(srna, "Compositor Node", "");
  RNA_def_struct_sdna(srna, "bNode");
  RNA_def_struct_register_funcs(srna, "rna_CompositorNode_register", "rna_Node_unregister", NULL);

  /* compositor node need_exec flag */
  func = RNA_def_function(srna, "tag_need_exec", "rna_CompositorNode_tag_need_exec");
  RNA_def_function_ui_description(func, "Tag the node for compositor update");
}

static void rna_def_texture_node(BlenderRNA *brna)
{
  StructRNA *srna;

  srna = RNA_def_struct(brna, "TextureNode", "NodeInternal");
  RNA_def_struct_ui_text(srna, "Texture Node", "");
  RNA_def_struct_sdna(srna, "bNode");
  RNA_def_struct_register_funcs(srna, "rna_TextureNode_register", "rna_Node_unregister", NULL);
}

/* -------------------------------------------------------------------------- */

static void rna_def_node_socket(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
  PropertyRNA *parm;
  FunctionRNA *func;

  static float default_draw_color[] = {0.0f, 0.0f, 0.0f, 1.0f};

  srna = RNA_def_struct(brna, "NodeSocket", NULL);
  RNA_def_struct_ui_text(srna, "Node Socket", "Input or output socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");
  RNA_def_struct_refine_func(srna, "rna_NodeSocket_refine");
  RNA_def_struct_ui_icon(srna, ICON_PLUGIN);
  RNA_def_struct_path_func(srna, "rna_NodeSocket_path");
  RNA_def_struct_register_funcs(
      srna, "rna_NodeSocket_register", "rna_NodeSocket_unregister", NULL);
  RNA_def_struct_idprops_func(srna, "rna_NodeSocket_idprops");

  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "Name", "Socket name");
  RNA_def_struct_name_property(srna, prop);
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocket_update");

  prop = RNA_def_property(srna, "identifier", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "identifier");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Identifier", "Unique identifier for mapping sockets");

  prop = RNA_def_property(srna, "is_output", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_funcs(prop, "rna_NodeSocket_is_output_get", NULL);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Is Output", "True if the socket is an output, otherwise input");

  prop = RNA_def_property(srna, "hide", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", SOCK_HIDDEN);
  RNA_def_property_boolean_funcs(prop, NULL, "rna_NodeSocket_hide_set");
  RNA_def_property_ui_text(prop, "Hide", "Hide the socket");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "enabled", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", SOCK_UNAVAIL);
  RNA_def_property_ui_text(prop, "Enabled", "Enable the socket");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "link_limit", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "limit");
  RNA_def_property_int_funcs(prop, NULL, "rna_NodeSocket_link_limit_set", NULL);
  RNA_def_property_range(prop, 1, 0xFFF);
  RNA_def_property_ui_text(prop, "Link Limit", "Max number of links allowed for this socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "is_linked", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", SOCK_IN_USE);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Linked", "True if the socket is connected");

  prop = RNA_def_property(srna, "show_expanded", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_flag(prop, PROP_NO_DEG_UPDATE);
  RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", SOCK_COLLAPSED);
  RNA_def_property_ui_text(prop, "Expanded", "Socket links are expanded in the user interface");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "hide_value", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", SOCK_HIDE_VALUE);
  RNA_def_property_ui_text(prop, "Hide Value", "Hide the socket input value");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "node", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_funcs(prop, "rna_NodeSocket_node_get", NULL, NULL, NULL);
  RNA_def_property_struct_type(prop, "Node");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Node", "Node owning this socket");

  /* NB: the type property is used by standard sockets.
   * Ideally should be defined only for the registered subclass,
   * but to use the existing DNA is added in the base type here.
   * Future socket types can ignore or override this if needed.
   */
  prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "type");
  RNA_def_property_enum_items(prop, node_socket_type_items);
  RNA_def_property_enum_default(prop, SOCK_FLOAT);
  RNA_def_property_enum_funcs(prop, NULL, "rna_NodeSocket_type_set", NULL);
  RNA_def_property_ui_text(prop, "Type", "Data type");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocket_update");

  prop = RNA_def_property(srna, "draw_shape", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "draw_shape");
  RNA_def_property_enum_items(prop, rna_enum_node_socket_draw_shape_items);
  RNA_def_property_enum_default(prop, SOCK_DRAW_SHAPE_CIRCLE);
  RNA_def_property_ui_text(prop, "Shape", "Socket shape");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocket_update");

  /* registration */
  prop = RNA_def_property(srna, "bl_idname", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "typeinfo->idname");
  RNA_def_property_flag(prop, PROP_REGISTER);
  RNA_def_property_ui_text(prop, "ID Name", "");

  /* draw socket */
  func = RNA_def_function(srna, "draw", NULL);
  RNA_def_function_ui_description(func, "Draw socket");
  RNA_def_function_flag(func, FUNC_REGISTER);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "layout", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "UILayout");
  RNA_def_property_ui_text(parm, "Layout", "Layout in the UI");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "node", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "Node");
  RNA_def_property_ui_text(parm, "Node", "Node the socket belongs to");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  parm = RNA_def_property(func, "text", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(parm, "Text", "Text label to draw alongside properties");
  // RNA_def_property_string_default(parm, "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  func = RNA_def_function(srna, "draw_color", NULL);
  RNA_def_function_ui_description(func, "Color of the socket icon");
  RNA_def_function_flag(func, FUNC_REGISTER);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "node", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "Node");
  RNA_def_property_ui_text(parm, "Node", "Node the socket belongs to");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  parm = RNA_def_float_array(
      func, "color", 4, default_draw_color, 0.0f, 1.0f, "Color", "", 0.0f, 1.0f);
  RNA_def_function_output(func, parm);
}

static void rna_def_node_socket_interface(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
  PropertyRNA *parm;
  FunctionRNA *func;

  static float default_draw_color[] = {0.0f, 0.0f, 0.0f, 1.0f};

  srna = RNA_def_struct(brna, "NodeSocketInterface", NULL);
  RNA_def_struct_ui_text(srna, "Node Socket Template", "Parameters to define node sockets");
  /* XXX Using bNodeSocket DNA for templates is a compatibility hack.
   * This allows to keep the inputs/outputs lists in bNodeTree working for earlier versions
   * and at the same time use them for socket templates in groups.
   */
  RNA_def_struct_sdna(srna, "bNodeSocket");
  RNA_def_struct_refine_func(srna, "rna_NodeSocketInterface_refine");
  RNA_def_struct_path_func(srna, "rna_NodeSocketInterface_path");
  RNA_def_struct_idprops_func(srna, "rna_NodeSocketInterface_idprops");
  RNA_def_struct_register_funcs(
      srna, "rna_NodeSocketInterface_register", "rna_NodeSocketInterface_unregister", NULL);

  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "Name", "Socket name");
  RNA_def_struct_name_property(srna, prop);
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  prop = RNA_def_property(srna, "identifier", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "identifier");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Identifier", "Unique identifier for mapping sockets");

  prop = RNA_def_property(srna, "is_output", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_funcs(prop, "rna_NodeSocket_is_output_get", NULL);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Is Output", "True if the socket is an output, otherwise input");

  /* registration */
  prop = RNA_def_property(srna, "bl_socket_idname", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "typeinfo->idname");
  RNA_def_property_flag(prop, PROP_REGISTER);
  RNA_def_property_ui_text(prop, "ID Name", "");

  func = RNA_def_function(srna, "draw", NULL);
  RNA_def_function_ui_description(func, "Draw template settings");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "layout", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "UILayout");
  RNA_def_property_ui_text(parm, "Layout", "Layout in the UI");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  func = RNA_def_function(srna, "draw_color", NULL);
  RNA_def_function_ui_description(func, "Color of the socket icon");
  RNA_def_function_flag(func, FUNC_REGISTER);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_float_array(
      func, "color", 4, default_draw_color, 0.0f, 1.0f, "Color", "", 0.0f, 1.0f);
  RNA_def_function_output(func, parm);

  func = RNA_def_function(srna, "register_properties", NULL);
  RNA_def_function_ui_description(func, "Define RNA properties of a socket");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL | FUNC_ALLOW_WRITE);
  parm = RNA_def_pointer(
      func, "data_rna_type", "Struct", "Data RNA Type", "RNA type for special socket properties");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  func = RNA_def_function(srna, "init_socket", NULL);
  RNA_def_function_ui_description(func, "Initialize a node socket instance");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL | FUNC_ALLOW_WRITE);
  parm = RNA_def_pointer(func, "node", "Node", "Node", "Node of the socket to initialize");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  parm = RNA_def_pointer(func, "socket", "NodeSocket", "Socket", "Socket to initialize");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  parm = RNA_def_string(
      func, "data_path", NULL, 0, "Data Path", "Path to specialized socket data");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  func = RNA_def_function(srna, "from_socket", NULL);
  RNA_def_function_ui_description(func, "Setup template parameters from an existing socket");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL | FUNC_ALLOW_WRITE);
  parm = RNA_def_pointer(func, "node", "Node", "Node", "Node of the original socket");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  parm = RNA_def_pointer(func, "socket", "NodeSocket", "Socket", "Original socket");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
}

static void rna_def_node_socket_float(BlenderRNA *brna,
                                      const char *idname,
                                      const char *interface_idname,
                                      PropertySubType subtype)
{
  StructRNA *srna;
  PropertyRNA *prop;
  float value_default;

  /* choose sensible common default based on subtype */
  switch (subtype) {
    case PROP_FACTOR:
      value_default = 1.0f;
      break;
    case PROP_PERCENTAGE:
      value_default = 100.0f;
      break;
    default:
      value_default = 0.0f;
      break;
  }

  srna = RNA_def_struct(brna, idname, "NodeSocketStandard");
  RNA_def_struct_ui_text(srna, "Float Node Socket", "Floating point number socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueFloat", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_FLOAT, subtype);
  RNA_def_property_float_sdna(prop, NULL, "value");
  RNA_def_property_float_funcs(prop, NULL, NULL, "rna_NodeSocketStandard_float_range");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketStandard_value_update");
  RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);

  /* socket interface */
  srna = RNA_def_struct(brna, interface_idname, "NodeSocketInterfaceStandard");
  RNA_def_struct_ui_text(
      srna, "Float Node Socket Interface", "Floating point number socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueFloat", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_FLOAT, subtype);
  RNA_def_property_float_sdna(prop, NULL, "value");
  RNA_def_property_float_default(prop, value_default);
  RNA_def_property_float_funcs(prop, NULL, NULL, "rna_NodeSocketStandard_float_range");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  prop = RNA_def_property(srna, "min_value", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "min");
  RNA_def_property_ui_text(prop, "Minimum Value", "Minimum value");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  prop = RNA_def_property(srna, "max_value", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "max");
  RNA_def_property_ui_text(prop, "Maximum Value", "Maximum value");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);
}

static void rna_def_node_socket_int(BlenderRNA *brna,
                                    const char *identifier,
                                    const char *interface_idname,
                                    PropertySubType subtype)
{
  StructRNA *srna;
  PropertyRNA *prop;
  int value_default;

  /* choose sensible common default based on subtype */
  switch (subtype) {
    case PROP_FACTOR:
      value_default = 1;
      break;
    case PROP_PERCENTAGE:
      value_default = 100;
      break;
    default:
      value_default = 0;
      break;
  }

  srna = RNA_def_struct(brna, identifier, "NodeSocketStandard");
  RNA_def_struct_ui_text(srna, "Integer Node Socket", "Integer number socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueInt", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_INT, subtype);
  RNA_def_property_int_sdna(prop, NULL, "value");
  RNA_def_property_int_default(prop, value_default);
  RNA_def_property_int_funcs(prop, NULL, NULL, "rna_NodeSocketStandard_int_range");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketStandard_value_update");
  RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);

  /* socket interface */
  srna = RNA_def_struct(brna, interface_idname, "NodeSocketInterfaceStandard");
  RNA_def_struct_ui_text(srna, "Integer Node Socket Interface", "Integer number socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueInt", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_INT, subtype);
  RNA_def_property_int_sdna(prop, NULL, "value");
  RNA_def_property_int_funcs(prop, NULL, NULL, "rna_NodeSocketStandard_int_range");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  prop = RNA_def_property(srna, "min_value", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "min");
  RNA_def_property_ui_text(prop, "Minimum Value", "Minimum value");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  prop = RNA_def_property(srna, "max_value", PROP_INT, PROP_NONE);
  RNA_def_property_int_sdna(prop, NULL, "max");
  RNA_def_property_ui_text(prop, "Maximum Value", "Maximum value");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);
}

static void rna_def_node_socket_bool(BlenderRNA *brna,
                                     const char *identifier,
                                     const char *interface_idname)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, identifier, "NodeSocketStandard");
  RNA_def_struct_ui_text(srna, "Boolean Node Socket", "Boolean value socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueBoolean", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "value", 1);
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketStandard_value_update");
  RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);

  /* socket interface */
  srna = RNA_def_struct(brna, interface_idname, "NodeSocketInterfaceStandard");
  RNA_def_struct_ui_text(srna, "Boolean Node Socket Interface", "Boolean value socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueBoolean", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "value", 1);
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);
}

static void rna_def_node_socket_vector(BlenderRNA *brna,
                                       const char *identifier,
                                       const char *interface_idname,
                                       PropertySubType subtype)
{
  StructRNA *srna;
  PropertyRNA *prop;
  const float *value_default;

  /* choose sensible common default based on subtype */
  switch (subtype) {
    case PROP_DIRECTION: {
      static const float default_direction[3] = {0.0f, 0.0f, 1.0f};
      value_default = default_direction;
      break;
    }
    default: {
      static const float default_vector[3] = {0.0f, 0.0f, 0.0f};
      value_default = default_vector;
      break;
    }
  }

  srna = RNA_def_struct(brna, identifier, "NodeSocketStandard");
  RNA_def_struct_ui_text(srna, "Vector Node Socket", "3D vector socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueVector", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_FLOAT, subtype);
  RNA_def_property_float_sdna(prop, NULL, "value");
  RNA_def_property_float_array_default(prop, value_default);
  RNA_def_property_float_funcs(prop, NULL, NULL, "rna_NodeSocketStandard_vector_range");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketStandard_value_update");
  RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);

  /* socket interface */
  srna = RNA_def_struct(brna, interface_idname, "NodeSocketInterfaceStandard");
  RNA_def_struct_ui_text(srna, "Vector Node Socket Interface", "3D vector socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueVector", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_FLOAT, subtype);
  RNA_def_property_float_sdna(prop, NULL, "value");
  RNA_def_property_float_funcs(prop, NULL, NULL, "rna_NodeSocketStandard_vector_range");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  prop = RNA_def_property(srna, "min_value", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "min");
  RNA_def_property_ui_text(prop, "Minimum Value", "Minimum value");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  prop = RNA_def_property(srna, "max_value", PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_sdna(prop, NULL, "max");
  RNA_def_property_ui_text(prop, "Maximum Value", "Maximum value");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);
}

static void rna_def_node_socket_color(BlenderRNA *brna,
                                      const char *identifier,
                                      const char *interface_idname)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, identifier, "NodeSocketStandard");
  RNA_def_struct_ui_text(srna, "Color Node Socket", "RGBA color socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueRGBA", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_FLOAT, PROP_COLOR);
  RNA_def_property_float_sdna(prop, NULL, "value");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketStandard_value_update");
  RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);

  /* socket interface */
  srna = RNA_def_struct(brna, interface_idname, "NodeSocketInterfaceStandard");
  RNA_def_struct_ui_text(srna, "Color Node Socket Interface", "RGBA color socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueRGBA", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_FLOAT, PROP_COLOR);
  RNA_def_property_float_sdna(prop, NULL, "value");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);
}

static void rna_def_node_socket_string(BlenderRNA *brna,
                                       const char *identifier,
                                       const char *interface_idname)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, identifier, "NodeSocketStandard");
  RNA_def_struct_ui_text(srna, "String Node Socket", "String socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueString", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "value");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketStandard_value_update");
  RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);

  /* socket interface */
  srna = RNA_def_struct(brna, interface_idname, "NodeSocketInterfaceStandard");
  RNA_def_struct_ui_text(srna, "String Node Socket Interface", "String socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  RNA_def_struct_sdna_from(srna, "bNodeSocketValueString", "default_value");

  prop = RNA_def_property(srna, "default_value", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "value");
  RNA_def_property_ui_text(prop, "Default Value", "Input value used for unconnected socket");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_NodeSocketInterface_update");

  RNA_def_struct_sdna_from(srna, "bNodeSocket", NULL);
}

static void rna_def_node_socket_shader(BlenderRNA *brna,
                                       const char *identifier,
                                       const char *interface_idname)
{
  StructRNA *srna;

  srna = RNA_def_struct(brna, identifier, "NodeSocketStandard");
  RNA_def_struct_ui_text(srna, "Shader Node Socket", "Shader socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  /* socket interface */
  srna = RNA_def_struct(brna, interface_idname, "NodeSocketInterfaceStandard");
  RNA_def_struct_ui_text(srna, "Shader Node Socket Interface", "Shader socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");
}

static void rna_def_node_socket_virtual(BlenderRNA *brna, const char *identifier)
{
  StructRNA *srna;

  srna = RNA_def_struct(brna, identifier, "NodeSocketStandard");
  RNA_def_struct_ui_text(srna, "Virtual Node Socket", "Virtual socket of a node");
  RNA_def_struct_sdna(srna, "bNodeSocket");
}

static void rna_def_node_socket_standard_types(BlenderRNA *brna)
{
  /* XXX Workaround: Registered functions are not exposed in python by bpy,
   * it expects them to be registered from python and use the native implementation.
   * However, the standard socket types below are not registering these functions from python,
   * so in order to call them in py scripts we need to overload and
   * replace them with plain C callbacks.
   * These types provide a usable basis for socket types defined in C.
   */

  StructRNA *srna;
  PropertyRNA *parm, *prop;
  FunctionRNA *func;

  static float default_draw_color[] = {0.0f, 0.0f, 0.0f, 1.0f};

  srna = RNA_def_struct(brna, "NodeSocketStandard", "NodeSocket");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  /* draw socket */
  func = RNA_def_function(srna, "draw", "rna_NodeSocketStandard_draw");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
  RNA_def_function_ui_description(func, "Draw socket");
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "layout", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "UILayout");
  RNA_def_property_ui_text(parm, "Layout", "Layout in the UI");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "node", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "Node");
  RNA_def_property_ui_text(parm, "Node", "Node the socket belongs to");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  parm = RNA_def_property(func, "text", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(parm, "Text", "Text label to draw alongside properties");
  // RNA_def_property_string_default(parm, "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  func = RNA_def_function(srna, "draw_color", "rna_NodeSocketStandard_draw_color");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
  RNA_def_function_ui_description(func, "Color of the socket icon");
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "node", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "Node");
  RNA_def_property_ui_text(parm, "Node", "Node the socket belongs to");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  parm = RNA_def_float_array(
      func, "color", 4, default_draw_color, 0.0f, 1.0f, "Color", "", 0.0f, 1.0f);
  RNA_def_function_output(func, parm);

  srna = RNA_def_struct(brna, "NodeSocketInterfaceStandard", "NodeSocketInterface");
  RNA_def_struct_sdna(srna, "bNodeSocket");

  /* for easier type comparison in python */
  prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "typeinfo->type");
  RNA_def_property_enum_items(prop, node_socket_type_items);
  RNA_def_property_enum_default(prop, SOCK_FLOAT);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Type", "Data type");

  func = RNA_def_function(srna, "draw", "rna_NodeSocketInterfaceStandard_draw");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
  RNA_def_function_ui_description(func, "Draw template settings");
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "layout", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "UILayout");
  RNA_def_property_ui_text(parm, "Layout", "Layout in the UI");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  func = RNA_def_function(srna, "draw_color", "rna_NodeSocketInterfaceStandard_draw_color");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
  RNA_def_function_ui_description(func, "Color of the socket icon");
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_float_array(
      func, "color", 4, default_draw_color, 0.0f, 1.0f, "Color", "", 0.0f, 1.0f);
  RNA_def_function_output(func, parm);

  /* XXX These types should eventually be registered at runtime.
   * Then use the nodeStaticSocketType and nodeStaticSocketInterfaceType functions
   * to get the idname strings from int type and subtype
   * (see node_socket.c, register_standard_node_socket_types).
   */

  rna_def_node_socket_float(brna, "NodeSocketFloat", "NodeSocketInterfaceFloat", PROP_NONE);
  rna_def_node_socket_float(
      brna, "NodeSocketFloatUnsigned", "NodeSocketInterfaceFloatUnsigned", PROP_UNSIGNED);
  rna_def_node_socket_float(
      brna, "NodeSocketFloatPercentage", "NodeSocketInterfaceFloatPercentage", PROP_PERCENTAGE);
  rna_def_node_socket_float(
      brna, "NodeSocketFloatFactor", "NodeSocketInterfaceFloatFactor", PROP_FACTOR);
  rna_def_node_socket_float(
      brna, "NodeSocketFloatAngle", "NodeSocketInterfaceFloatAngle", PROP_ANGLE);
  rna_def_node_socket_float(
      brna, "NodeSocketFloatTime", "NodeSocketInterfaceFloatTime", PROP_TIME);

  rna_def_node_socket_int(brna, "NodeSocketInt", "NodeSocketInterfaceInt", PROP_NONE);
  rna_def_node_socket_int(
      brna, "NodeSocketIntUnsigned", "NodeSocketInterfaceIntUnsigned", PROP_UNSIGNED);
  rna_def_node_socket_int(
      brna, "NodeSocketIntPercentage", "NodeSocketInterfaceIntPercentage", PROP_PERCENTAGE);
  rna_def_node_socket_int(
      brna, "NodeSocketIntFactor", "NodeSocketInterfaceIntFactor", PROP_FACTOR);

  rna_def_node_socket_bool(brna, "NodeSocketBool", "NodeSocketInterfaceBool");

  rna_def_node_socket_vector(brna, "NodeSocketVector", "NodeSocketInterfaceVector", PROP_NONE);
  rna_def_node_socket_vector(brna,
                             "NodeSocketVectorTranslation",
                             "NodeSocketInterfaceVectorTranslation",
                             PROP_TRANSLATION);
  rna_def_node_socket_vector(
      brna, "NodeSocketVectorDirection", "NodeSocketInterfaceVectorDirection", PROP_DIRECTION);
  rna_def_node_socket_vector(
      brna, "NodeSocketVectorVelocity", "NodeSocketInterfaceVectorVelocity", PROP_VELOCITY);
  rna_def_node_socket_vector(brna,
                             "NodeSocketVectorAcceleration",
                             "NodeSocketInterfaceVectorAcceleration",
                             PROP_ACCELERATION);
  rna_def_node_socket_vector(
      brna, "NodeSocketVectorEuler", "NodeSocketInterfaceVectorEuler", PROP_EULER);
  rna_def_node_socket_vector(
      brna, "NodeSocketVectorXYZ", "NodeSocketInterfaceVectorXYZ", PROP_XYZ);

  rna_def_node_socket_color(brna, "NodeSocketColor", "NodeSocketInterfaceColor");

  rna_def_node_socket_string(brna, "NodeSocketString", "NodeSocketInterfaceString");

  rna_def_node_socket_shader(brna, "NodeSocketShader", "NodeSocketInterfaceShader");

  rna_def_node_socket_virtual(brna, "NodeSocketVirtual");
}

static void rna_def_internal_node(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop, *parm;
  FunctionRNA *func;

  srna = RNA_def_struct(brna, "NodeInternalSocketTemplate", NULL);
  RNA_def_struct_ui_text(srna, "Socket Template", "Type and default value of a node socket");

  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
  RNA_def_property_string_funcs(prop,
                                "rna_NodeInternalSocketTemplate_name_get",
                                "rna_NodeInternalSocketTemplate_name_length",
                                NULL);
  RNA_def_property_ui_text(prop, "Name", "Name of the socket");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);

  prop = RNA_def_property(srna, "identifier", PROP_STRING, PROP_NONE);
  RNA_def_property_string_funcs(prop,
                                "rna_NodeInternalSocketTemplate_identifier_get",
                                "rna_NodeInternalSocketTemplate_identifier_length",
                                NULL);
  RNA_def_property_ui_text(prop, "Identifier", "Identifier of the socket");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);

  prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_funcs(prop, "rna_NodeInternalSocketTemplate_type_get", NULL, NULL);
  RNA_def_property_enum_items(prop, node_socket_type_items);
  RNA_def_property_ui_text(prop, "Type", "Data type of the socket");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);

  /* XXX Workaround: Registered functions are not exposed in python by bpy,
   * it expects them to be registered from python and use the native implementation.
   *
   * However, the standard node types are not registering these functions from python,
   * so in order to call them in py scripts we need to overload and
   * replace them with plain C callbacks.
   * This type provides a usable basis for node types defined in C.
   */

  srna = RNA_def_struct(brna, "NodeInternal", "Node");
  RNA_def_struct_sdna(srna, "bNode");

  /* poll */
  func = RNA_def_function(srna, "poll", "rna_NodeInternal_poll");
  RNA_def_function_ui_description(
      func, "If non-null output is returned, the node type can be added to the tree");
  RNA_def_function_flag(func, FUNC_NO_SELF | FUNC_USE_SELF_TYPE);
  RNA_def_function_return(func, RNA_def_boolean(func, "visible", false, "", ""));
  parm = RNA_def_pointer(func, "node_tree", "NodeTree", "Node Tree", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  func = RNA_def_function(srna, "poll_instance", "rna_NodeInternal_poll_instance");
  RNA_def_function_ui_description(
      func, "If non-null output is returned, the node can be added to the tree");
  RNA_def_function_return(func, RNA_def_boolean(func, "visible", false, "", ""));
  parm = RNA_def_pointer(func, "node_tree", "NodeTree", "Node Tree", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  /* update */
  func = RNA_def_function(srna, "update", "rna_NodeInternal_update");
  RNA_def_function_ui_description(func, "Update on editor changes");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_ALLOW_WRITE);

  /* draw buttons */
  func = RNA_def_function(srna, "draw_buttons", "rna_NodeInternal_draw_buttons");
  RNA_def_function_ui_description(func, "Draw node buttons");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "layout", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "UILayout");
  RNA_def_property_ui_text(parm, "Layout", "Layout in the UI");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  /* draw buttons extended */
  func = RNA_def_function(srna, "draw_buttons_ext", "rna_NodeInternal_draw_buttons_ext");
  RNA_def_function_ui_description(func, "Draw node buttons in the sidebar");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "layout", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "UILayout");
  RNA_def_property_ui_text(parm, "Layout", "Layout in the UI");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
}

static void rna_def_node_sockets_api(BlenderRNA *brna, PropertyRNA *cprop, int in_out)
{
  StructRNA *srna;
  PropertyRNA *parm;
  FunctionRNA *func;
  const char *structtype = (in_out == SOCK_IN ? "NodeInputs" : "NodeOutputs");
  const char *uiname = (in_out == SOCK_IN ? "Node Inputs" : "Node Outputs");
  const char *newfunc = (in_out == SOCK_IN ? "rna_Node_inputs_new" : "rna_Node_outputs_new");
  const char *clearfunc = (in_out == SOCK_IN ? "rna_Node_inputs_clear" : "rna_Node_outputs_clear");
  const char *movefunc = (in_out == SOCK_IN ? "rna_Node_inputs_move" : "rna_Node_outputs_move");

  RNA_def_property_srna(cprop, structtype);
  srna = RNA_def_struct(brna, structtype, NULL);
  RNA_def_struct_sdna(srna, "bNode");
  RNA_def_struct_ui_text(srna, uiname, "Collection of Node Sockets");

  func = RNA_def_function(srna, "new", newfunc);
  RNA_def_function_ui_description(func, "Add a socket to this node");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_USE_MAIN | FUNC_USE_REPORTS);
  parm = RNA_def_string(func, "type", NULL, MAX_NAME, "Type", "Data type");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_string(func, "name", NULL, MAX_NAME, "Name", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  RNA_def_string(func, "identifier", NULL, MAX_NAME, "Identifier", "Unique socket identifier");
  /* return value */
  parm = RNA_def_pointer(func, "socket", "NodeSocket", "", "New socket");
  RNA_def_function_return(func, parm);

  func = RNA_def_function(srna, "remove", "rna_Node_socket_remove");
  RNA_def_function_ui_description(func, "Remove a socket from this node");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_USE_MAIN | FUNC_USE_REPORTS);
  parm = RNA_def_pointer(func, "socket", "NodeSocket", "", "The socket to remove");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  func = RNA_def_function(srna, "clear", clearfunc);
  RNA_def_function_ui_description(func, "Remove all sockets from this node");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_USE_MAIN);

  func = RNA_def_function(srna, "move", movefunc);
  RNA_def_function_ui_description(func, "Move a socket to another position");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_USE_MAIN);
  parm = RNA_def_int(
      func, "from_index", -1, 0, INT_MAX, "From Index", "Index of the socket to move", 0, 10000);
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_int(
      func, "to_index", -1, 0, INT_MAX, "To Index", "Target index for the socket", 0, 10000);
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
}

static void rna_def_node(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
  FunctionRNA *func;
  PropertyRNA *parm;

  static const EnumPropertyItem dummy_static_type_items[] = {
      {NODE_CUSTOM, "CUSTOM", 0, "Custom", "Custom Node"},
      {0, NULL, 0, NULL, NULL},
  };

  srna = RNA_def_struct(brna, "Node", NULL);
  RNA_def_struct_ui_text(srna, "Node", "Node in a node tree");
  RNA_def_struct_sdna(srna, "bNode");
  RNA_def_struct_ui_icon(srna, ICON_NODE);
  RNA_def_struct_refine_func(srna, "rna_Node_refine");
  RNA_def_struct_path_func(srna, "rna_Node_path");
  RNA_def_struct_register_funcs(srna, "rna_Node_register", "rna_Node_unregister", NULL);
  RNA_def_struct_idprops_func(srna, "rna_Node_idprops");

  prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "type");
  RNA_def_property_enum_items(prop, dummy_static_type_items);
  RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_node_static_type_itemf");
  RNA_def_property_enum_default(prop, NODE_CUSTOM);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(
      prop,
      "Type",
      "Node type (deprecated, use bl_static_type or bl_idname for the actual identifier string)");

  prop = RNA_def_property(srna, "location", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, NULL, "locx");
  RNA_def_property_array(prop, 2);
  RNA_def_property_range(prop, -100000.0f, 100000.0f);
  RNA_def_property_ui_text(prop, "Location", "");
  RNA_def_property_update(prop, NC_NODE, "rna_Node_update");

  prop = RNA_def_property(srna, "width", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, NULL, "width");
  RNA_def_property_float_funcs(prop, NULL, NULL, "rna_Node_width_range");
  RNA_def_property_ui_text(prop, "Width", "Width of the node");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "width_hidden", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, NULL, "miniwidth");
  RNA_def_property_float_funcs(prop, NULL, NULL, "rna_Node_width_range");
  RNA_def_property_ui_text(prop, "Width Hidden", "Width of the node in hidden state");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "height", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_float_sdna(prop, NULL, "height");
  RNA_def_property_float_funcs(prop, NULL, NULL, "rna_Node_height_range");
  RNA_def_property_ui_text(prop, "Height", "Height of the node");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "dimensions", PROP_FLOAT, PROP_XYZ_LENGTH);
  RNA_def_property_array(prop, 2);
  RNA_def_property_float_funcs(prop, "rna_Node_dimensions_get", NULL, NULL);
  RNA_def_property_ui_text(prop, "Dimensions", "Absolute bounding box dimensions of the node");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);

  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
  RNA_def_property_ui_text(prop, "Name", "Unique node identifier");
  RNA_def_struct_name_property(srna, prop);
  RNA_def_property_string_funcs(prop, NULL, NULL, "rna_Node_name_set");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");

  prop = RNA_def_property(srna, "label", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "label");
  RNA_def_property_ui_text(prop, "Label", "Optional custom node label");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "inputs", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "inputs", NULL);
  RNA_def_property_struct_type(prop, "NodeSocket");
  RNA_def_property_ui_text(prop, "Inputs", "");
  rna_def_node_sockets_api(brna, prop, SOCK_IN);

  prop = RNA_def_property(srna, "outputs", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "outputs", NULL);
  RNA_def_property_struct_type(prop, "NodeSocket");
  RNA_def_property_ui_text(prop, "Outputs", "");
  rna_def_node_sockets_api(brna, prop, SOCK_OUT);

  prop = RNA_def_property(srna, "internal_links", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "internal_links", NULL);
  RNA_def_property_struct_type(prop, "NodeLink");
  RNA_def_property_ui_text(
      prop, "Internal Links", "Internal input-to-output connections for muting");

  prop = RNA_def_property(srna, "parent", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "parent");
  RNA_def_property_pointer_funcs(prop, NULL, "rna_Node_parent_set", NULL, "rna_Node_parent_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE);
  RNA_def_property_struct_type(prop, "Node");
  RNA_def_property_ui_text(prop, "Parent", "Parent this node is attached to");

  prop = RNA_def_property(srna, "use_custom_color", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_CUSTOM_COLOR);
  RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
  RNA_def_property_ui_text(prop, "Custom Color", "Use custom color for the node");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "color", PROP_FLOAT, PROP_COLOR);
  RNA_def_property_array(prop, 3);
  RNA_def_property_range(prop, 0.0f, 1.0f);
  RNA_def_property_ui_text(prop, "Color", "Custom color of the node body");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "select", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", SELECT);
  RNA_def_property_boolean_funcs(prop, NULL, "rna_Node_select_set");
  RNA_def_property_ui_text(prop, "Select", "Node selection state");
  RNA_def_property_update(prop, NC_NODE | NA_SELECTED, NULL);

  prop = RNA_def_property(srna, "show_options", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_OPTIONS);
  RNA_def_property_ui_text(prop, "Show Options", "");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "show_preview", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_PREVIEW);
  RNA_def_property_ui_text(prop, "Show Preview", "");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "hide", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_HIDDEN);
  RNA_def_property_ui_text(prop, "Hide", "");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, NULL);

  prop = RNA_def_property(srna, "mute", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_MUTED);
  RNA_def_property_ui_text(prop, "Mute", "");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  prop = RNA_def_property(srna, "show_texture", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_ACTIVE_TEXTURE);
  RNA_def_property_ui_text(prop, "Show Texture", "Draw node in viewport textured draw mode");
  RNA_def_property_update(prop, 0, "rna_Node_update");

  /* generic property update function */
  func = RNA_def_function(srna, "socket_value_update", "rna_Node_socket_value_update");
  RNA_def_function_ui_description(func, "Update after property changes");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  func = RNA_def_function(srna, "is_registered_node_type", "rna_Node_is_registered_node_type");
  RNA_def_function_ui_description(func, "True if a registered node type");
  RNA_def_function_flag(func, FUNC_NO_SELF | FUNC_USE_SELF_TYPE);
  parm = RNA_def_boolean(func, "result", false, "Result", "");
  RNA_def_function_return(func, parm);

  /* registration */
  prop = RNA_def_property(srna, "bl_idname", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "typeinfo->idname");
  RNA_def_property_flag(prop, PROP_REGISTER);
  RNA_def_property_ui_text(prop, "ID Name", "");

  prop = RNA_def_property(srna, "bl_label", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "typeinfo->ui_name");
  RNA_def_property_flag(prop, PROP_REGISTER);
  RNA_def_property_ui_text(prop, "Label", "The node label");

  prop = RNA_def_property(srna, "bl_description", PROP_STRING, PROP_TRANSLATION);
  RNA_def_property_string_sdna(prop, NULL, "typeinfo->ui_description");
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);

  prop = RNA_def_property(srna, "bl_icon", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "typeinfo->ui_icon");
  RNA_def_property_enum_items(prop, rna_enum_icon_items);
  RNA_def_property_enum_default(prop, ICON_NODE);
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);
  RNA_def_property_ui_text(prop, "Icon", "The node icon");

  prop = RNA_def_property(srna, "bl_static_type", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "typeinfo->type");
  RNA_def_property_enum_items(prop, dummy_static_type_items);
  RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_node_static_type_itemf");
  RNA_def_property_enum_default(prop, NODE_CUSTOM);
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);
  RNA_def_property_ui_text(prop, "Static Type", "Node type (deprecated, use with care)");

  /* type-based size properties */
  prop = RNA_def_property(srna, "bl_width_default", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, NULL, "typeinfo->width");
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);

  prop = RNA_def_property(srna, "bl_width_min", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, NULL, "typeinfo->minwidth");
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);

  prop = RNA_def_property(srna, "bl_width_max", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, NULL, "typeinfo->maxwidth");
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);

  prop = RNA_def_property(srna, "bl_height_default", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, NULL, "typeinfo->height");
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);

  prop = RNA_def_property(srna, "bl_height_min", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, NULL, "typeinfo->minheight");
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);

  prop = RNA_def_property(srna, "bl_height_max", PROP_FLOAT, PROP_UNSIGNED);
  RNA_def_property_float_sdna(prop, NULL, "typeinfo->minheight");
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);

  /* poll */
  func = RNA_def_function(srna, "poll", NULL);
  RNA_def_function_ui_description(
      func, "If non-null output is returned, the node type can be added to the tree");
  RNA_def_function_flag(func, FUNC_NO_SELF | FUNC_REGISTER);
  RNA_def_function_return(func, RNA_def_boolean(func, "visible", false, "", ""));
  parm = RNA_def_pointer(func, "node_tree", "NodeTree", "Node Tree", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  func = RNA_def_function(srna, "poll_instance", NULL);
  RNA_def_function_ui_description(
      func, "If non-null output is returned, the node can be added to the tree");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
  RNA_def_function_return(func, RNA_def_boolean(func, "visible", false, "", ""));
  parm = RNA_def_pointer(func, "node_tree", "NodeTree", "Node Tree", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  /* update */
  func = RNA_def_function(srna, "update", NULL);
  RNA_def_function_ui_description(func, "Update on editor changes");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_REGISTER_OPTIONAL | FUNC_ALLOW_WRITE);

  /* insert_link */
  func = RNA_def_function(srna, "insert_link", NULL);
  RNA_def_function_ui_description(func, "Handle creation of a link to or from the node");
  RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_REGISTER_OPTIONAL | FUNC_ALLOW_WRITE);
  parm = RNA_def_pointer(func, "link", "NodeLink", "Link", "Node link that will be inserted");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  /* init */
  func = RNA_def_function(srna, "init", NULL);
  RNA_def_function_ui_description(func, "Initialize a new instance of this node");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL | FUNC_ALLOW_WRITE);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  /* copy */
  func = RNA_def_function(srna, "copy", NULL);
  RNA_def_function_ui_description(func,
                                  "Initialize a new instance of this node from an existing node");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL | FUNC_ALLOW_WRITE);
  parm = RNA_def_pointer(func, "node", "Node", "Node", "Existing node to copy");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  /* free */
  func = RNA_def_function(srna, "free", NULL);
  RNA_def_function_ui_description(func, "Clean up node on removal");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL | FUNC_ALLOW_WRITE);

  /* draw buttons */
  func = RNA_def_function(srna, "draw_buttons", NULL);
  RNA_def_function_ui_description(func, "Draw node buttons");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "layout", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "UILayout");
  RNA_def_property_ui_text(parm, "Layout", "Layout in the UI");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  /* draw buttons extended */
  func = RNA_def_function(srna, "draw_buttons_ext", NULL);
  RNA_def_function_ui_description(func, "Draw node buttons in the sidebar");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_property(func, "layout", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "UILayout");
  RNA_def_property_ui_text(parm, "Layout", "Layout in the UI");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  /* dynamic label */
  func = RNA_def_function(srna, "draw_label", NULL);
  RNA_def_function_ui_description(func, "Returns a dynamic label string");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
  parm = RNA_def_string(func, "label", NULL, MAX_NAME, "Label", "");
  RNA_def_parameter_flags(parm, PROP_THICK_WRAP, 0); /* needed for string return value */
  RNA_def_function_output(func, parm);
}

static void rna_def_node_link(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, "NodeLink", NULL);
  RNA_def_struct_ui_text(srna, "NodeLink", "Link between nodes in a node tree");
  RNA_def_struct_sdna(srna, "bNodeLink");
  RNA_def_struct_ui_icon(srna, ICON_NODE);

  prop = RNA_def_property(srna, "is_valid", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NODE_LINK_VALID);
  RNA_def_struct_ui_text(srna, "Valid", "Link is valid");
  RNA_def_property_update(prop, NC_NODE | NA_EDITED, NULL);

  prop = RNA_def_property(srna, "from_node", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "fromnode");
  RNA_def_property_struct_type(prop, "Node");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "From node", "");

  prop = RNA_def_property(srna, "to_node", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "tonode");
  RNA_def_property_struct_type(prop, "Node");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "To node", "");

  prop = RNA_def_property(srna, "from_socket", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "fromsock");
  RNA_def_property_struct_type(prop, "NodeSocket");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "From socket", "");

  prop = RNA_def_property(srna, "to_socket", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "tosock");
  RNA_def_property_struct_type(prop, "NodeSocket");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "To socket", "");

  prop = RNA_def_property(srna, "is_hidden", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_funcs(prop, "rna_NodeLink_is_hidden_get", NULL);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Is Hidden", "Link is hidden due to invisible sockets");
}

static void rna_def_nodetree_nodes_api(BlenderRNA *brna, PropertyRNA *cprop)
{
  StructRNA *srna;
  PropertyRNA *parm, *prop;
  FunctionRNA *func;

  RNA_def_property_srna(cprop, "Nodes");
  srna = RNA_def_struct(brna, "Nodes", NULL);
  RNA_def_struct_sdna(srna, "bNodeTree");
  RNA_def_struct_ui_text(srna, "Nodes", "Collection of Nodes");

  func = RNA_def_function(srna, "new", "rna_NodeTree_node_new");
  RNA_def_function_ui_description(func, "Add a node to this node tree");
  RNA_def_function_flag(func, FUNC_USE_CONTEXT | FUNC_USE_REPORTS);
  /* XXX warning note should eventually be removed,
   * added this here to avoid frequent confusion with API changes from "type" to "bl_idname"
   */
  parm = RNA_def_string(
      func,
      "type",
      NULL,
      MAX_NAME,
      "Type",
      "Type of node to add (Warning: should be same as node.bl_idname, not node.type!)");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  /* return value */
  parm = RNA_def_pointer(func, "node", "Node", "", "New node");
  RNA_def_function_return(func, parm);

  func = RNA_def_function(srna, "remove", "rna_NodeTree_node_remove");
  RNA_def_function_ui_description(func, "Remove a node from this node tree");
  RNA_def_function_flag(func, FUNC_USE_MAIN | FUNC_USE_REPORTS);
  parm = RNA_def_pointer(func, "node", "Node", "", "The node to remove");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  RNA_def_parameter_clear_flags(parm, PROP_THICK_WRAP, 0);

  func = RNA_def_function(srna, "clear", "rna_NodeTree_node_clear");
  RNA_def_function_ui_description(func, "Remove all nodes from this node tree");
  RNA_def_function_flag(func, FUNC_USE_MAIN | FUNC_USE_REPORTS);

  prop = RNA_def_property(srna, "active", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, "Node");
  RNA_def_property_pointer_funcs(
      prop, "rna_NodeTree_active_node_get", "rna_NodeTree_active_node_set", NULL, NULL);
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_NEVER_UNLINK);
  RNA_def_property_ui_text(prop, "Active Node", "Active node in this tree");
  RNA_def_property_update(prop, NC_SCENE | ND_OB_ACTIVE, NULL);
}

static void rna_def_nodetree_link_api(BlenderRNA *brna, PropertyRNA *cprop)
{
  StructRNA *srna;
  PropertyRNA *parm;
  FunctionRNA *func;

  RNA_def_property_srna(cprop, "NodeLinks");
  srna = RNA_def_struct(brna, "NodeLinks", NULL);
  RNA_def_struct_sdna(srna, "bNodeTree");
  RNA_def_struct_ui_text(srna, "Node Links", "Collection of Node Links");

  func = RNA_def_function(srna, "new", "rna_NodeTree_link_new");
  RNA_def_function_ui_description(func, "Add a node link to this node tree");
  RNA_def_function_flag(func, FUNC_USE_MAIN | FUNC_USE_REPORTS);
  parm = RNA_def_pointer(func, "input", "NodeSocket", "", "The input socket");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_pointer(func, "output", "NodeSocket", "", "The output socket");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  RNA_def_boolean(func,
                  "verify_limits",
                  true,
                  "Verify Limits",
                  "Remove existing links if connection limit is exceeded");
  /* return */
  parm = RNA_def_pointer(func, "link", "NodeLink", "", "New node link");
  RNA_def_function_return(func, parm);

  func = RNA_def_function(srna, "remove", "rna_NodeTree_link_remove");
  RNA_def_function_ui_description(func, "remove a node link from the node tree");
  RNA_def_function_flag(func, FUNC_USE_MAIN | FUNC_USE_REPORTS);
  parm = RNA_def_pointer(func, "link", "NodeLink", "", "The node link to remove");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED | PARM_RNAPTR);
  RNA_def_parameter_clear_flags(parm, PROP_THICK_WRAP, 0);

  func = RNA_def_function(srna, "clear", "rna_NodeTree_link_clear");
  RNA_def_function_ui_description(func, "remove all node links from the node tree");
  RNA_def_function_flag(func, FUNC_USE_MAIN | FUNC_USE_REPORTS);
}

static void rna_def_node_tree_sockets_api(BlenderRNA *brna, PropertyRNA *cprop, int in_out)
{
  StructRNA *srna;
  PropertyRNA *parm;
  FunctionRNA *func;
  const char *structtype = (in_out == SOCK_IN ? "NodeTreeInputs" : "NodeTreeOutputs");
  const char *uiname = (in_out == SOCK_IN ? "Node Tree Inputs" : "Node Tree Outputs");
  const char *newfunc = (in_out == SOCK_IN ? "rna_NodeTree_inputs_new" :
                                             "rna_NodeTree_outputs_new");
  const char *clearfunc = (in_out == SOCK_IN ? "rna_NodeTree_inputs_clear" :
                                               "rna_NodeTree_outputs_clear");
  const char *movefunc = (in_out == SOCK_IN ? "rna_NodeTree_inputs_move" :
                                              "rna_NodeTree_outputs_move");

  RNA_def_property_srna(cprop, structtype);
  srna = RNA_def_struct(brna, structtype, NULL);
  RNA_def_struct_sdna(srna, "bNodeTree");
  RNA_def_struct_ui_text(srna, uiname, "Collection of Node Tree Sockets");

  func = RNA_def_function(srna, "new", newfunc);
  RNA_def_function_ui_description(func, "Add a socket to this node tree");
  RNA_def_function_flag(func, FUNC_USE_MAIN | FUNC_USE_REPORTS);
  parm = RNA_def_string(func, "type", NULL, MAX_NAME, "Type", "Data type");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_string(func, "name", NULL, MAX_NAME, "Name", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  /* return value */
  parm = RNA_def_pointer(func, "socket", "NodeSocketInterface", "", "New socket");
  RNA_def_function_return(func, parm);

  func = RNA_def_function(srna, "remove", "rna_NodeTree_socket_remove");
  RNA_def_function_ui_description(func, "Remove a socket from this node tree");
  RNA_def_function_flag(func, FUNC_USE_MAIN | FUNC_USE_REPORTS);
  parm = RNA_def_pointer(func, "socket", "NodeSocketInterface", "", "The socket to remove");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);

  func = RNA_def_function(srna, "clear", clearfunc);
  RNA_def_function_ui_description(func, "Remove all sockets from this node tree");
  RNA_def_function_flag(func, FUNC_USE_MAIN | FUNC_USE_REPORTS);

  func = RNA_def_function(srna, "move", movefunc);
  RNA_def_function_ui_description(func, "Move a socket to another position");
  RNA_def_function_flag(func, FUNC_USE_MAIN);
  parm = RNA_def_int(
      func, "from_index", -1, 0, INT_MAX, "From Index", "Index of the socket to move", 0, 10000);
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_int(
      func, "to_index", -1, 0, INT_MAX, "To Index", "Target index for the socket", 0, 10000);
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
}

static void rna_def_nodetree(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;
  FunctionRNA *func;
  PropertyRNA *parm;

  static const EnumPropertyItem static_type_items[] = {
      {NTREE_SHADER, "SHADER", ICON_MATERIAL, "Shader", "Shader nodes"},
      {NTREE_TEXTURE, "TEXTURE", ICON_TEXTURE, "Texture", "Texture nodes"},
      {NTREE_COMPOSIT, "COMPOSITING", ICON_RENDERLAYERS, "Compositing", "Compositing nodes"},
      {0, NULL, 0, NULL, NULL},
  };

  srna = RNA_def_struct(brna, "NodeTree", "ID");
  RNA_def_struct_ui_text(
      srna,
      "Node Tree",
      "Node tree consisting of linked nodes used for shading, textures and compositing");
  RNA_def_struct_sdna(srna, "bNodeTree");
  RNA_def_struct_ui_icon(srna, ICON_NODETREE);
  RNA_def_struct_refine_func(srna, "rna_NodeTree_refine");
  RNA_def_struct_register_funcs(srna, "rna_NodeTree_register", "rna_NodeTree_unregister", NULL);

  prop = RNA_def_property(srna, "view_center", PROP_FLOAT, PROP_XYZ);
  RNA_def_property_array(prop, 2);
  RNA_def_property_float_sdna(prop, NULL, "view_center");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);

  /* AnimData */
  rna_def_animdata_common(srna);

  /* Nodes Collection */
  prop = RNA_def_property(srna, "nodes", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "nodes", NULL);
  RNA_def_property_struct_type(prop, "Node");
  RNA_def_property_ui_text(prop, "Nodes", "");
  rna_def_nodetree_nodes_api(brna, prop);

  /* NodeLinks Collection */
  prop = RNA_def_property(srna, "links", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "links", NULL);
  RNA_def_property_struct_type(prop, "NodeLink");
  RNA_def_property_ui_text(prop, "Links", "");
  rna_def_nodetree_link_api(brna, prop);

  /* Grease Pencil */
  prop = RNA_def_property(srna, "grease_pencil", PROP_POINTER, PROP_NONE);
  RNA_def_property_pointer_sdna(prop, NULL, "gpd");
  RNA_def_property_struct_type(prop, "GreasePencil");
  RNA_def_property_pointer_funcs(
      prop, NULL, NULL, NULL, "rna_GPencil_datablocks_annotations_poll");
  RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_REFCOUNT);
  RNA_def_property_ui_text(prop, "Grease Pencil Data", "Grease Pencil data-block");
  RNA_def_property_update(prop, NC_NODE, NULL);

  prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_enum_items(prop, static_type_items);
  RNA_def_property_ui_text(
      prop,
      "Type",
      "Node Tree type (deprecated, bl_idname is the actual node tree type identifier)");

  prop = RNA_def_property(srna, "inputs", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "inputs", NULL);
  RNA_def_property_struct_type(prop, "NodeSocketInterface");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Inputs", "Node tree inputs");
  rna_def_node_tree_sockets_api(brna, prop, SOCK_IN);

  prop = RNA_def_property(srna, "active_input", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_funcs(
      prop, "rna_NodeTree_active_input_get", "rna_NodeTree_active_input_set", NULL);
  RNA_def_property_ui_text(prop, "Active Input", "Index of the active input");
  RNA_def_property_update(prop, NC_NODE, NULL);

  prop = RNA_def_property(srna, "outputs", PROP_COLLECTION, PROP_NONE);
  RNA_def_property_collection_sdna(prop, NULL, "outputs", NULL);
  RNA_def_property_struct_type(prop, "NodeSocketInterface");
  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
  RNA_def_property_ui_text(prop, "Outputs", "Node tree outputs");
  rna_def_node_tree_sockets_api(brna, prop, SOCK_OUT);

  prop = RNA_def_property(srna, "active_output", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_int_funcs(
      prop, "rna_NodeTree_active_output_get", "rna_NodeTree_active_output_set", NULL);
  RNA_def_property_ui_text(prop, "Active Output", "Index of the active output");
  RNA_def_property_update(prop, NC_NODE, NULL);

  /* exposed as a function for runtime interface type properties */
  func = RNA_def_function(srna, "interface_update", "rna_NodeTree_interface_update");
  RNA_def_function_ui_description(func, "Updated node group interface");
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);

  /* registration */
  prop = RNA_def_property(srna, "bl_idname", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "typeinfo->idname");
  RNA_def_property_flag(prop, PROP_REGISTER);
  RNA_def_property_ui_text(prop, "ID Name", "");

  prop = RNA_def_property(srna, "bl_label", PROP_STRING, PROP_NONE);
  RNA_def_property_string_sdna(prop, NULL, "typeinfo->ui_name");
  RNA_def_property_flag(prop, PROP_REGISTER);
  RNA_def_property_ui_text(prop, "Label", "The node tree label");

  prop = RNA_def_property(srna, "bl_description", PROP_STRING, PROP_TRANSLATION);
  RNA_def_property_string_sdna(prop, NULL, "typeinfo->ui_description");
  RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);

  prop = RNA_def_property(srna, "bl_icon", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "typeinfo->ui_icon");
  RNA_def_property_enum_items(prop, rna_enum_icon_items);
  RNA_def_property_enum_default(prop, ICON_NODETREE);
  RNA_def_property_flag(prop, PROP_REGISTER);
  RNA_def_property_ui_text(prop, "Icon", "The node tree icon");

  /* poll */
  func = RNA_def_function(srna, "poll", NULL);
  RNA_def_function_ui_description(func, "Check visibility in the editor");
  RNA_def_function_flag(func, FUNC_NO_SELF | FUNC_REGISTER_OPTIONAL);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  RNA_def_function_return(func, RNA_def_boolean(func, "visible", false, "", ""));

  /* update */
  func = RNA_def_function(srna, "update", NULL);
  RNA_def_function_ui_description(func, "Update on editor changes");
  RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL | FUNC_ALLOW_WRITE);

  /* get a node tree from context */
  func = RNA_def_function(srna, "get_from_context", NULL);
  RNA_def_function_ui_description(func, "Get a node tree from the context");
  RNA_def_function_flag(func, FUNC_NO_SELF | FUNC_REGISTER_OPTIONAL);
  parm = RNA_def_pointer(func, "context", "Context", "", "");
  RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
  parm = RNA_def_pointer(
      func, "result_1", "NodeTree", "Node Tree", "Active node tree from context");
  RNA_def_function_output(func, parm);
  parm = RNA_def_pointer(
      func, "result_2", "ID", "Owner ID", "ID data-block that owns the node tree");
  RNA_def_function_output(func, parm);
  parm = RNA_def_pointer(
      func, "result_3", "ID", "From ID", "Original ID data-block selected from the context");
  RNA_def_function_output(func, parm);
}

static void rna_def_composite_nodetree(BlenderRNA *brna)
{
  StructRNA *srna;
  PropertyRNA *prop;

  srna = RNA_def_struct(brna, "CompositorNodeTree", "NodeTree");
  RNA_def_struct_ui_text(
      srna, "Compositor Node Tree", "Node tree consisting of linked nodes used for compositing");
  RNA_def_struct_sdna(srna, "bNodeTree");
  RNA_def_struct_ui_icon(srna, ICON_RENDERLAYERS);

  prop = RNA_def_property(srna, "render_quality", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "render_quality");
  RNA_def_property_enum_items(prop, node_quality_items);
  RNA_def_property_ui_text(prop, "Render Quality", "Quality when rendering");

  prop = RNA_def_property(srna, "edit_quality", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "edit_quality");
  RNA_def_property_enum_items(prop, node_quality_items);
  RNA_def_property_ui_text(prop, "Edit Quality", "Quality when editing");

  prop = RNA_def_property(srna, "chunk_size", PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_sdna(prop, NULL, "chunksize");
  RNA_def_property_enum_items(prop, node_chunksize_items);
  RNA_def_property_ui_text(prop,
                           "Chunksize",
                           "Max size of a tile (smaller values gives better distribution "
                           "of multiple threads, but more overhead)");

  prop = RNA_def_property(srna, "use_opencl", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NTREE_COM_OPENCL);
  RNA_def_property_ui_text(prop, "OpenCL", "Enable GPU calculations");

  prop = RNA_def_property(srna, "use_groupnode_buffer", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NTREE_COM_GROUPNODE_BUFFER);
  RNA_def_property_ui_text(prop, "Buffer Groups", "Enable buffering of group nodes");

  prop = RNA_def_property(srna, "use_two_pass", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NTREE_TWO_PASS);
  RNA_def_property_ui_text(prop,
                           "Two Pass",
                           "Use two pass execution during editing: first calculate fast nodes, "
                           "second pass calculate all nodes");

  prop = RNA_def_property(srna, "use_viewer_border", PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_sdna(prop, NULL, "flag", NTREE_VIEWER_BORDER);
  RNA_def_property_ui_text(
      prop, "Viewer Border", "Use boundaries for viewer nodes and composite backdrop");
  RNA_def_property_update(prop, NC_NODE | ND_DISPLAY, "rna_NodeTree_update");
}

static void rna_def_shader_nodetree(BlenderRNA *brna)
{
  StructRNA *srna;
  FunctionRNA *func;
  PropertyRNA *parm;

  srna = RNA_def_struct(brna, "ShaderNodeTree", "NodeTree");
  RNA_def_struct_ui_text(
      srna,
      "Shader Node Tree",
      "Node tree consisting of linked nodes used for materials (and other shading data-blocks)");
  RNA_def_struct_sdna(srna, "bNodeTree");
  RNA_def_struct_ui_icon(srna, ICON_MATERIAL);

  func = RNA_def_function(srna, "get_output_node", "ntreeShaderOutputNode");
  RNA_def_function_ui_description(func,
                                  "Return active shader output node for the specified target");
  parm = RNA_def_enum(
      func, "target", prop_shader_output_target_items, SHD_OUTPUT_ALL, "Target", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_pointer(func, "node", "ShaderNode", "Node", "");
  RNA_def_function_return(func, parm);
}

static void rna_def_texture_nodetree(BlenderRNA *brna)
{
  StructRNA *srna;

  srna = RNA_def_struct(brna, "TextureNodeTree", "NodeTree");
  RNA_def_struct_ui_text(
      srna, "Texture Node Tree", "Node tree consisting of linked nodes used for textures");
  RNA_def_struct_sdna(srna, "bNodeTree");
  RNA_def_struct_ui_icon(srna, ICON_TEXTURE);
}

static StructRNA *define_specific_node(BlenderRNA *brna,
                                       const char *struct_name,
                                       const char *base_name,
                                       const char *ui_name,
                                       const char *ui_desc,
                                       void (*def_func)(StructRNA *))
{
  StructRNA *srna;
  FunctionRNA *func;
  PropertyRNA *parm;

  /* XXX hack, want to avoid "NodeInternal" prefix,
   * so use "Node" in NOD_static_types.h and replace here */
  if (STREQ(base_name, "Node")) {
    base_name = "NodeInternal";
  }

  srna = RNA_def_struct(brna, struct_name, base_name);
  RNA_def_struct_ui_text(srna, ui_name, ui_desc);
  RNA_def_struct_sdna(srna, "bNode");

  func = RNA_def_function(srna, "is_registered_node_type", "rna_Node_is_registered_node_type");
  RNA_def_function_ui_description(func, "True if a registered node type");
  RNA_def_function_flag(func, FUNC_NO_SELF | FUNC_USE_SELF_TYPE);
  parm = RNA_def_boolean(func, "result", false, "Result", "");
  RNA_def_function_return(func, parm);

  /* Exposes the socket template type lists in RNA for use in scripts
   * Only used in the C nodes and not exposed in the base class to
   * keep the namespace clean for py-nodes. */
  func = RNA_def_function(srna, "input_template", "rna_NodeInternal_input_template");
  RNA_def_function_ui_description(func, "Input socket template");
  RNA_def_function_flag(func, FUNC_NO_SELF | FUNC_USE_SELF_TYPE);
  parm = RNA_def_property(func, "index", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_ui_text(parm, "Index", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_property(func, "result", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "NodeInternalSocketTemplate");
  RNA_def_parameter_flags(parm, 0, PARM_RNAPTR);
  RNA_def_function_return(func, parm);

  func = RNA_def_function(srna, "output_template", "rna_NodeInternal_output_template");
  RNA_def_function_ui_description(func, "Output socket template");
  RNA_def_function_flag(func, FUNC_NO_SELF | FUNC_USE_SELF_TYPE);
  parm = RNA_def_property(func, "index", PROP_INT, PROP_UNSIGNED);
  RNA_def_property_ui_text(parm, "Index", "");
  RNA_def_parameter_flags(parm, 0, PARM_REQUIRED);
  parm = RNA_def_property(func, "result", PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(parm, "NodeInternalSocketTemplate");
  RNA_def_parameter_flags(parm, 0, PARM_RNAPTR);
  RNA_def_function_return(func, parm);

  if (def_func) {
    def_func(srna);
  }

  return srna;
}

static void rna_def_node_instance_hash(BlenderRNA *brna)
{
  StructRNA *srna;

  srna = RNA_def_struct(brna, "NodeInstanceHash", NULL);
  RNA_def_struct_ui_text(srna, "Node Instance Hash", "Hash table containing node instance data");

  /* XXX This type is a stub for now, only used to store instance hash in the context.
   * Eventually could use a StructRNA pointer to define a specific data type
   * and expose lookup functions.
   */
}

void RNA_def_nodetree(BlenderRNA *brna)
{
  StructRNA *srna;

  rna_def_node_socket(brna);
  rna_def_node_socket_interface(brna);

  rna_def_node(brna);
  rna_def_node_link(brna);

  rna_def_internal_node(brna);
  rna_def_shader_node(brna);
  rna_def_compositor_node(brna);
  rna_def_texture_node(brna);

  rna_def_nodetree(brna);

  rna_def_node_socket_standard_types(brna);

  rna_def_composite_nodetree(brna);
  rna_def_shader_nodetree(brna);
  rna_def_texture_nodetree(brna);

#  define DefNode(Category, ID, DefFunc, EnumName, StructName, UIName, UIDesc) \
    { \
      srna = define_specific_node( \
          brna, #Category #StructName, #Category, UIName, UIDesc, DefFunc); \
      if (ID == CMP_NODE_OUTPUT_FILE) { \
        /* needs brna argument, can't use NOD_static_types.h */ \
        def_cmp_output_file(brna, srna); \
      } \
    }

  /* hack, don't want to add include path to RNA just for this, since in the future RNA types
   * for nodes should be defined locally at runtime anyway ...
   */
#  include "../../nodes/NOD_static_types.h"

  /* Node group types need to be defined for shader, compositor, texture nodes individually.
   * Cannot use the static types header for this, since they share the same int id.
   */
  define_specific_node(brna, "ShaderNodeGroup", "ShaderNode", "Group", "", def_group);
  define_specific_node(brna, "CompositorNodeGroup", "CompositorNode", "Group", "", def_group);
  define_specific_node(brna, "TextureNodeGroup", "TextureNode", "Group", "", def_group);
  def_custom_group(brna,
                   "ShaderNodeCustomGroup",
                   "ShaderNode",
                   "Shader Custom Group",
                   "Custom Shader Group Node for Python nodes",
                   "rna_ShaderNodeCustomGroup_register");
  def_custom_group(brna,
                   "CompositorNodeCustomGroup",
                   "CompositorNode",
                   "Compositor Custom Group",
                   "Custom Compositor Group Node for Python nodes",
                   "rna_CompositorNodeCustomGroup_register");
  def_custom_group(brna,
                   "NodeCustomGroup",
                   "Node",
                   "Custom Group",
                   "Base node type for custom registered node group types",
                   "rna_NodeCustomGroup_register");

  /* special socket types */
  rna_def_cmp_output_file_slot_file(brna);
  rna_def_cmp_output_file_slot_layer(brna);

  rna_def_node_instance_hash(brna);
}

/* clean up macro definition */
#  undef NODE_DEFINE_SUBTYPES

#endif